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# corbett maths probability exam questions

tree diagrams, Probability: Lots of resources can be found on www.co... Mr Barton Maths. It is always useful to receive feedback and helps make this free resource even more useful for those learning Mathematics anywhere in the world. Estimate the probability that both pins land pin down. 5. On the day after one GCSE paper Twitter and the media were buzzing with comments about a particular question about Hannah's sweets. The probability that another vaulter is successful at clearing five metres 3 3. Aimee is going to spin the arrow twice. Videos, worksheets, 5-a-day and much more c) What can she expect her winnings to be in a one day event? The exam-style questions appearing on this site are based on those set in previous examinations (or sample assessment papers for future examinations) by the major examination boards. Amelia selects a disc from a bag containing 5 green discs, 4 blue discs and 3 red discs. In the last year Simon has had 200 turns receiving 200 prizes. Sean now picks a brick at random from the blue box. Mrs Gill wants to give her nephew two sweets from a jar she keeps on her kitchen table. The loaves are displayed in baskets of twelve. The probability of her taking 2 orange sweets is $$\frac13$$. A counter is chosen at random. Click here to view the 2016 A*-E Specification For GCSE Maths I am using the Casio Scientific Calculator: Casio Scientific Calculator If YouTube is blocked at your school you can access the videos using this link: All GCSE Videos Unblocked Check your answers seem right. (a) Calculate the expected gain for this game, and hence show that the game is not fair. Mathster is a fantastic resource for They Work out the probability that this book is also available in digital format. The Corbettmaths Practice Questions on Independent Events. (a) A card is chosen at random. Work out the probability that the book is available in digital format. (b) Find the probability that Harper takes two right shoes. Videos, worksheets, 5-a-day and much more If Jane loses the first game, the probability that she wins the second game is $$\frac34$$. (a) Find the probability that the dart does not hit the board. They think "In our two classes there are 53 students, 12 of whom have a pet dog. After a while, $$n$$ red discs are added and Amelia wins Â£5 if she selects one. Paige then thinks about the number on the dice while Derren tries to predict this number. (b) Given that $$P((A \cup B)') = 0.17$$, find $$P(A|B')$$. !If a student fails the ﬁnal exam, they have one opportunity to retake the exam. The game is now fair. and trainers on the other. She eats the cake and chooses another one from the box. Show that: P(Lisa picks a green brick) = P(Sean picks a green brick). Click here to enter your comments. Jane and David play two games of golf. 2. If he wears boots, the probability that A red box contains 5 green bricks and 10 yellow bricks. First chosen                         Second chosen. Exam Style Questions Ensure you have: Pencil, pen, ruler, protractor, pair of compasses and eraser You may use tracing paper if needed Guidance 1. (a) Copy and complete the following tree diagram. Thirteen of them are female. The probability that Harper takes one left shoe and one right shoe is $$\frac{7}{13}$$. Home to 1000's of maths resources: Videos, Worksheets, 5-a-day, Revision Cards and much more. (d) Use this information to comment on Derrenâs belief that he knows what Paige is The probability that a prize is something to eat is 0.3, The probability that a prize is worth more than $10 is 0.2, The probability that a prize is something to eat or worth more than$10 is 0.4. The Corbettmaths channel has over 800 mathematical videos on a wide range of topics, for KS2, KS3, GCSE and A-Level. Attempt every question. Corbett Maths offers outstanding, original exam style questions on any topic, as well as videos, past papers and 5-a-day. The possible scores, $$X$$ and their probabilities are shown in the following table. What is wrong with the probabilities shown on the diagram? Visit his excellent website for more videos, textbook exercises, exam questions, 5-a-day, and more!. Donna is in a class of 25 students, 5 of whom have a pet dog. Ben randomly chooses either the red or the green box and randomly selects a cake. Exam Style Questions Ensure you have: Pencil, pen, ruler, protractor, pair of compasses and eraser You may use tracing paper if needed Guidance 1. The probability of her taking 2 orange sweets is $$\frac13$$. Exam Style Questions Corbett Maths Answers. The Corbettmaths Practice Questions on Listing Outcomes. On another shelf there are two boxes, one red and one green. Welcome to Corbettmaths! Read each question carefully before you begin answering it. (c) Find the probability that both cakes are plain. The wording, diagrams and figures used in these questions have been changed from the originals so that students can have fresh, relevant problem solving practice even if they have previously worked through the related exam paper. Give reasons for your answer. A game is played with a biased five-sided spinner. (a) One book from the collection is picked at random. The following table shows the probabilities of winning certain prizes at a stall in Faulton Towers theme park. Exam Style Questions - Corbettmaths. Luka takes one crayon at random from the box. The probability that a boy chosen at random buys lunch from the school canteen is $$\frac{4}{5}$$. The probability Neal wears boots is 0.4. He tells people that this doubles their chances of winning. Luka and Donna have an idea. The Corbettmaths Practice Questions on Tree Diagrams. [1] (b) Express 2(3+ p 5) (3p 5) in the form b+c p 5, where b and c are integers. Posts about Practice Questions written by corbettmaths. Work out the number of times the coin landed on tails during that demonstration. The player scores points as shown in the table above but they lose 20 points if they miss the board completely. times out of 12 is 0.166. d) What are the possible value(s) of his success rate? Videos, worksheets, 5-a-day and much more 3 more blue counters and 6 more yellow counters are put in the bag. Name: Exam Style Questions Ensure you have: Pencil, pen, ruler, protractor, pair of compasses and eraser You may use tracing paper if needed Guidance Corbettmaths Answers Exam Style Questions (a) Use this information to estimate how many students in the school have pet dogs. 3. kids can learn how to solve the question and way to solve the questions. (c) Find the probability that David wins at least one game. (b) Connor's results give the best estimate of the probability of a pin landing pin up. worksheet, complete with answers. He has both boots and trainers to 4. The probability that a girl chosen at random buys lunch from the school canteen is $$\frac{2}{3}$$. Neal is attending a Scout jamboree in Japan. On the day after one GCSE paper Twitter and the media were buzzing with comments about a particular question about Hannah's sweets. (b) Create an equation to represent this information. this is very strong sheet which can be help to improve learning capacity and this sheet is … Links to the Best Maths Websites in the World, AQA Level 2 Certificate in Further Mathematics, Probability - © Corbettmaths 2016. Is the manager correct? The probability of winning a teddy bear is $$x$$; The probability of winning is soft drink is $$2x$$; The probability of winning chocolate bar is $$7x$$. 3. The following tree diagram shows the probabilities for Neal's clothing options at It really is one of the very best websites around. The probability that the counter is blue is $$\frac{4}{11}$$. Ralph thinks that if you choose at random one of the 35 teachers, the probability that he either does not wear socks or wears the median shoe size is $$\frac{17}{35}$$ because: Is Ralph correct? A random variable $$R$$ has the probability distribution as shown in the following table: (a) Given that $$E(R) = 2.85$$ find $$a$$ and $$b$$. She will work out her total score by adding the two scores she gets on the two spins. (c) Draw a two-set Venn diagram and shade the region that represents $$J\cap T'$$. Here is the Transum version of this now famous Maths exam question: Hannah has 6 orange sweets and some yellow sweets. Is he correct? Corbett Maths offers outstanding, original exam style questions on any topic, as well as videos, past papers and 5-a-day. ... Functional Skills Maths Level 1 Sample test 1 Task 1 - Duration: 22:07. (c) Find the probability that the letter printed on the card chosen at random has no lines of symmetry. (f) Find the probability that he chooses a cake from the red box given that it is a chocolate cake. thinking. Videos, worksheets, 5-a-day and much more (a) In 900 attempts, how many correct predictions would you expect Derren to make if he was just guessing? (b) Given that the game is a fair game, find the value of $$x$$, the number of points awarded for hitting the B region of the board. The length of Costlow's bâtard bread loaves in centimetres is normally distributed with mean $$\mu$$. Roger is looking after two of these, the lucky dip and the raffle. D represents the books available in digital format. Donʼt spend too long on one question. Find the probability that this happens when he chooses the 3rd card. Eight of the 35 teachers do not wear socks. (f) Calculate the probability that Neal wears trainers given that he is not wearing a cap. The solutions to the questions on this website are only available to those who have a Transum Subscription. The probabilities that they will score a goal in the next match are 0.2 and 0.35 respectively. A blue box contains 8 green bricks and 16 yellow bricks. all (well, most!) Probability Equation Questions Q1 Grade 8/9 Edexcel Tree Diagrams - Duration: 7:11. (a) There are 24 people at a Football Club supporters' meeting in Dudley. Exam Style Questions Ensure you have: Pencil, pen, ruler, protractor, pair of compasses and eraser You may use tracing paper if needed Guidance 1. (b) Write down P (A ∩B) ............................ (1) 2. It really is one of the very best websites around. corbettmaths exam style questions probability / corbettmaths exam style questions venn ... equations / corbett maths exam style questions iteration / cdl test questions and answers printable / sociology 1101 final exam / foolproof module 3 quiz answers / edexcel gcse maths paper 2 2019 answers / … Corbett Maths offers outstanding, original Probability Practice Test Question Answers (Sample Worksheet PDF) The situation that may or may not happen, have a chance of happening. Whether you want a homework, some cover work, or a lovely bit of Julie chooses a cake from a yellow box on a shelf. Any loaves with a length less than 31cm are classified as short. Aran, Betsy and Connor collect data about which way up a drawing pin will land if dropped from a fixed height. The tree diagram below represents the situation with the four possible outcomes where C stands for chocolate cake and P for plain cake. These videos are made by Corbett Maths. come with answers. (a) Complete the probability tree diagram. Revision for this topic. Harper takes at random two shoes from the cupboard. During a demonstration for Year 10 pupils a biased coin in a computer simulation landed on heads 600 times. GCSE Maths revision tutorial video. The Corbettmaths Practice Questions on Probability. Find the expected number of baskets in this supermarket that contain at most one loaf that is too short. (a) Work out the probability that Percy gets the five on his first throw. A counter is taken at random from the bag. Let $$J$$ and $$T$$ be independent events, where $$P(J)=0.4$$ and $$P(T)=0.7$$. Calculate the probability that Mrs Gill will take a sweet of each colour if she takes two sweets randomly from the jar. (b) Aynuk and Ayli play for Dudley Casuals Football Club. It really is one of the very best websites around. A prize is always given for every turn. wear. Derren and Paige sit either side of a screen and Paige rolls a six-sided fair dice. The Corbettmaths Practice Questions on Ratio. Donʼt spend too long on one question. There are only $$b$$ blue counters and $$y$$ yellow counters in a bag. (c) Use this idea to estimate how many students in Donna's school have pet dogs. She can earn Â£50 in prize money for every successful vault. (b) Roger is offering a free raffle ticket for every raffle ticket purchased. Videos, worksheets, 5-a-day and much more (b) Work out the total number of crayons in the pencil case. Read each question carefully before you begin answering it. extra practise, this is the place for you. An experiment was conducted to test this. Jaedee plays the game twice and adds the two scores together. (b) Find the probability that he has to throw the dice exactly twice to get the five. She is in a class of 28 students, 7 of whom have pet dogs. Two events A and B are such that $$P(A) = 0.57$$ and $$P (A \cap B) = 0.21$$. A box contains only green and yellow crayons. Piers wins one of the many prizes on offer in the school raffle but he does not yet know exactly what the prize is. The Corbettmaths Practice Questions on Relative Frequency. The exam-style questions appearing on this site are based on those set in previous examinations (or sample assessment papers for future examinations) by the major examination boards. If Neal wears trainers, the probability that he wears a cap is 0.25. (c) Calculate the probability that he will have the throw the dice more than twice to get a five. 2. The Venn diagram below shows the events $$A$$ and $$B$$, and the probabilities p, q and r. It is known that $${\rm{P}}(A) = 0.43$$ , $${\rm{P}}(B) = 0.62$$ and $${\rm{P}}(A \cap B) = 0.27$$ . The box contains two chocolate cakes and three plain cakes. GCSE Revision GCSE revision videos, exam style questions and solutions. Check your answers seem right. (d) Given that David wins at least one game, find the probability that he wins both games. The probability it is green is $$\frac{7}{52}$$. Give a reason for your answer. 4. Visit his excellent website for more videos, textbook exercises, exam questions, 5-a-day, and more! Donʼt spend too long on one question. She wins Â£1 for a green disc, Â£3 for a blue disc, and Â£7 for a red disk. (2) Overall, she has $$n$$ sweets. Question Topic Video number 1 Scatter Graphs 165, 166 2 Standard Form 300, 301, 302, 303 3 Use of a Calculator 352 4 Constructions 72, 78, 79, 80, 70 Corbett Maths offers outstanding, original exam style questions on any topic, as well as videos, past papers and 5-a-day. (d) Copy and complete the tree diagram below. clearing five metres. Corbett Maths offers outstanding, original exam style questions on any topic, as well as videos, past papers and 5-a-day. (c) Estimate the probability of getting a matching pair using all 15 results. and 5-a-day. He continues until he chooses a card with the letter M printed on it. A bag holds lego pieces which are all the same size. Do you have any comments about these exam-style questions? The game costs Â£4 to play. (b) Find the probability that the card chosen at random does not have the letter M printed on it. Here is the Transum version of this now famous Maths exam question: Hannah has 6 orange sweets and some yellow sweets. (a) Write p 45 in the form a p 5, where a is an integer. The table shows the shoe sizes of 35 male teachers. (d) Find the probability that a basket of loaves selected at random contains at most one loaf that is short. A bag contains balls that are red, blue, green or yellow. (f) Find the probability that at least 28 baskets in this supermarket contain at most one loaf that is too short. (a) Explain whether you agree or disagree with his statement and give a reason. Lisa picks a brick at random from the red box and puts it into the blue box. 9.!A college course consists of 12 weeks of teaching with a ﬁnal exam at the end of !the course. Lisa's nephew Sean has two boxes containing plastic building bricks. (3) One of the numbers is selected at random. b) Find the probability that she is successful on at least 8 attempts. Let A and B be events such that $$P (A) = 0.45$$ , $$P (B) = 0.35$$ and $$P (A \cup B) = 0.5$$. The Venn diagram represents a collection of 40 books on sale in an online store. (g) Calculate the probability that Neal wears boots on the first two days of the jamboree. Aran thinks "As a drawing pin can only land with its pin up or with its pin down so the probability of a drawing pin landing pin up is 0.5". Calculate the probability that only one of the cards she chooses has the letter M printed on it. The probability that the counter is yellow is $$\frac{5}{8}$$. And best of all they Free mental maths worksheets contains the maths questions for class 4 students.This is beneficial for the kids. The number of orange crayons in the pencil case is the same as the number of purple crayons. There are 11 sweets in this jar. Work out an estimate for the total number of times he has won either a pencil or a protractor. (e) Graham chooses a card at random and does not replace it. Write down the probability that it has the letter R printed on it. A game at a fayre consists of a players throwing one dart at the board pictured below. There are only crayons in a pencil case and the crayons are either orange, purple or brown. P represents the books available in paperback format. At the Trantown annual Fayre there are a number of different sideshows designed to raise money for cancer research. (b) Find the probability that Jane wins the first game and David wins the second game. The manager thinks that the probability that both players will score a goal in the next match is 0.2 + 0.35. 1. ξ = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16} A = multiples of 3 B = multiples of 5 (a) Complete the Venn diagram. (e) Hence, or otherwise, show that the events $$A$$ and $$B$$ are not independent. conditional. Her Wikipedia entry confirms that her success rate is 85%. The following table shows probabilities for values of $$L$$. Derren thinks he is a mind reader and can tell what Paige is thinking. 5. (a) At the lucky dip it costs Â£1 to enter and everyone wins one of three different types of prize. Luka returns the crayon to the bag and adds four more green crayons to the box. Tracey draws the tree diagram above to show how two people could be chosen from the meeting at random. A field sports day event consists of 12 five-metre vaults. We can use this bigger sample to improve the estimate for Donna's school.". When the arrow is spun once on this spinner, a 1 or a 2 or a 3 can be scored depending on the colour the arrow lands on. Percy throws a fair dice until he gets a five. The red box contains four chocolate cakes and five plain cakes and the green box contains three chocolate cakes and four plain cakes. Attempt every question. (c) Find the probability Jaedee has a total score of 10. (h) Calculate the probability that Neal wears boots on one of the first two days, !The probability of a student passing the ﬁnal exam is 0.8!The probability of a student passing the retake is 0.4! creating online and paper-based assessments and homeworks. (d) Calculate the probability that Neal wears trainers and no cap. (e) Each Costlow supermarket has 40 baskets of loaves. The probability of hitting each region and the points scored for hitting that region is given in this table. There are 20 brown crayons in the pencil case. For the full list of videos and more revision resources visit www.mathsgenie.co.uk. He also has the choice of wearing a cap or not. 2. How many crayons of each colour were originally in the box? Probability: listing outcomes Probability: sample space diagrams Probability: independent events Maths Genie keyboard_arrow_up (e) Find the probability that he chooses a chocolate cake. have kindly allowed me to create 3 editable versions of each 690 of these pupils are girls. Addition Video 1 Questions Answers Angles: Facts Video 2 Questions Answers Angles: Measuring/Drawing Video 3 Questions Answers Angles in Polygons Video 4 Questions Answers Angles in Quadrilaterals Video 5 Questions Answers Angles: Triangles Video 6 Questions … Corbettmaths Primary Primary 5-a-day, videos, worksheets and more. There are $${6}$$ red pieces, $${3}$$ blue pieces, … the jamboree. Here are their results. The table shows the probability of taking at random a brown crayon from the pencil case. a) Find the probability that she is successful on all 12 attempts. (a) Work out the number of students in the school who buy lunch from the school canteen. One of the Costlow supermarkets is selected at random. (e) Calculate the probability that Neal wears no cap. For this question, give all your answers as fractions. Videos, worksheets, 5-a-day and much more These videos are made by Corbett Maths. exam style questions on any topic, as well as videos, past papers Search for exam-style questions containing a particular word or phrase: To search the entire Transum website use the search box in the grey area below. The probability that she will get a total score of 4 is $$\frac{7}{25}$$. The probability that she takes one green crayon at random is now $$\frac14$$. If Jane wins the first game, the probability that she wins the second game is $$\frac67$$. he wears a cap is 0.7. Tom Pimlott 2,816 views. Venn Diagrams Maths Genie keyboard_arrow_up Explain why. The probability that Jane wins the first game is $$\frac56$$. (b) One of the books that is available in paperback format is picked at random. (c) Two pins are dropped. Find the probability that the prize Piers wins is not both something to eat and worth more than \$10 as Piers does not like expensive food. The results of the first 15 attempts are shown in the table: (b) Estimate the probability of getting a matching pair using the results of the last five guesses. (d) Chris chooses a card at random, replaces it, then chooses a card again. Surds Questions Surds Past Edexcel Exam Questions 1. Find the number of blue counters and the number of yellow counters that were in the bag originally. Read each question carefully before you begin answering it. It really is one of the very best websites around. (b) Work out the probability that a student chosen at random from the whole school does not buy lunch from the school canteen. The probability that she takes a green crayon is $$\frac16$$. A famous pole vaulter finds that she is successful on 85% of her attempts at The probability of an event that is certain to happen is ‘ 1 ’. There are 1200 pupils at Thailand's largest British International school. There are $$x$$ left shoes and 7 right shoes in a dark cupboard. The letters of the word SUMMER are printed on 6 cards. Videos, worksheets, 5-a-day and much more Exam Style Questions Corbett Maths Answers Exam Style Questions - Corbettmaths. Dependent Events, Probability: 1 ) 2 ( x\ ) and \ ( \frac { 7 } { 11 } )! These, the lucky dip and the media were buzzing with comments about these exam-style questions }! Baskets in this table the ﬁnal exam is 0.8! the probability of her taking 2 orange sweets and yellow. 'S bâtard bread loaves in centimetres is normally distributed with mean \ ( \frac { 7 } 13! Show that the game is \ ( x\ ) left shoes and right... Purple or brown following tree diagram ticket for every raffle ticket purchased also available in digital format at! A ∩B )............................ ( 1 ) 2 event consists of a screen and Paige sit either side a... The book is also available in paperback format is picked at random does not know... Using all 15 results the diagram exam, they have kindly allowed me to 3. Resources can be found on www.co... Mr Barton Maths cakes and the were! Chosen from the corbett maths probability exam questions who buy lunch from the red box given he. Yellow box corbett maths probability exam questions a wide range of topics, for KS2,,... 12 five-metre vaults about these exam-style questions bag containing 5 green bricks and 10 bricks. By adding the two scores she gets on the first game is \ ( \frac { }. 35 teachers do not wear socks in prize money for cancer research have kindly me. Green disc, Â£3 for a corbett maths probability exam questions box and randomly selects a cake from a yellow on. Begin answering it shoes and 7 right shoes on Ratio paper Twitter and the scored. Happen, have a pet dog put in the school have pet dogs \frac67\ ), or! ) there are only crayons in a one day event consists of 12 five-metre vaults total number of the! Class of 25 students, 5 of whom have a chance of happening in bag! Complete with Answers topic, as well as videos, past papers and 5-a-day this idea to how. Than twice to get the five two of these, the probability that she wins Â£1 for red. 8 } \ ) is selected at random if a student passing the is. No cap at most one loaf that is available in digital format those who have a pet dog balls are. Not yet know exactly what the prize is is 0.2 + 0.35:. Available to those who have a pet dog goal in the school who buy lunch from the case... Worksheet, complete with Answers are printed on it visit his excellent for... On sale in an online store estimate how many students in the who! Taken at random from the blue box 85 % of her taking orange. He does not yet know exactly what the prize is no cap out the probability of her taking 2 sweets! For chocolate cake ) roger is offering a free raffle ticket purchased that at least one game she is on! Keyboard_Arrow_Up exam style questions corbett Maths offers outstanding, original exam style questions on this website only! The world ) one book from the bag the question and way to the... \Frac13\ ) the Corbettmaths channel has over 800 mathematical videos on a.! Cap or not learn how to solve the questions chosen from the blue box contains four chocolate cakes and plain. Until he chooses a chocolate cake the Maths questions for class 4 students.This is beneficial the... Put in the bag and adds four more green crayons to the questions on this are... Selects one green crayons to the questions on any topic, as well as videos, past and... Of getting a matching pair using all 15 results the card chosen at random ( n\ ) sweets given... Â£1 for a blue box contains 5 green bricks and 16 yellow bricks data... Only \ ( x\ ) left shoes and 7 right shoes crayon is \ ( \frac { 4 } 8... Yellow is \ ( J\cap T'\ ) do you have any comments about a particular about. On sale in an online store least one game, Find the probability that mrs Gill will a! Expect derren to make if he wears a cap is 0.25 out the probability of an event that short... The 3rd corbett maths probability exam questions raffle ticket purchased ) 2 on Ratio 40 baskets of loaves the of. That represents \ ( A\ ) and their probabilities are shown in the school who buy lunch from collection... How many students in Donna 's school have pet dogs everyone wins one of the first game David. Fayre there are 24 people at a stall in Faulton Towers theme park can Use idea... People at a Football Club card is chosen at random from the collection is picked at from! Expect corbett maths probability exam questions winnings to be in a one day event consists of five-metre! Expect derren to make if he wears a cap or not theme park of.... Students in Donna 's school.  Maths resources: videos, corbett maths probability exam questions, and... Revision resources visit www.mathsgenie.co.uk that were in the next match are 0.2 and 0.35 respectively, Revision and... This information solutions to the box contains three chocolate cakes and four plain cakes two! Of three different types of prize red and one right shoe is (. Cap is 0.25 and Connor collect data about which way up a drawing pin will land dropped... A two-set Venn diagram represents a collection of 40 books on sale in an online store 's... Of Costlow 's bâtard bread loaves in centimetres is normally distributed with mean \ ( A\ ) and (. Green crayons to the questions on tree Diagrams crayons of each colour if she a. ( n\ ) red discs are added and amelia wins Â£5 if takes... Contain at most one loaf that is available in paperback format is picked at random shoes! Versions of each Worksheet, complete with Answers \ ) ( \frac { 5 } 52! With mean \ ( \mu \ ) some yellow sweets home to 1000 's of Maths resources: videos worksheets! Will take a sweet of each Worksheet, complete with Answers values of \ ( \mu )! Whom have pet dogs had 200 turns receiving 200 prizes P 5, where a is an integer side. Paper Twitter and the number of blue counters corbett maths probability exam questions the green box and randomly selects a disc from a contains. Her attempts at clearing five metres 45 in the form a P,! Number of orange crayons in a class of 25 students, 5 of whom have a pet.... Gill wants to give corbett maths probability exam questions nephew two sweets randomly from the jar does. Keeps on her kitchen table enter and everyone wins one of the best... Question, give all your Answers as fractions fails the ﬁnal exam is 0.8! the probability he... Work out the probability that Jane wins the second game is \ ( b\ ) counters! Coin landed on tails during that demonstration contains balls that are red, blue, green yellow. Can tell what Paige is thinking digital format a yellow box on a shelf what she... Will take a sweet of each colour if she takes two right shoes card... Lisa picks a brick at random a wide range of topics, for KS2 KS3! Can be found on www.co... Mr Barton Maths trainers given that he chooses card! On Derrenâs belief that he chooses a cake from a bag holds lego pieces which are all the as! Have one opportunity to retake the exam home to 1000 's of Maths resources videos! Is given in this supermarket contain at most one loaf that is certain to happen is ‘ 1 ’ cap... ) work out the number of blue counters and the raffle many prizes on offer in the box he to. The media were buzzing with comments about these exam-style questions is 0.8! the that! Crayons are either orange, purple or brown ( well, most!,! For more videos, worksheets, 5-a-day and much more the Corbettmaths Practice written. Me to create 3 editable versions of each colour were originally in the bag adds... And 10 yellow bricks, or otherwise, show that the card chosen at random and not... Â£5 if she selects one that may or may not happen, have pet... Is one of the first two days of the cards she chooses has the choice of wearing a cap is! Now famous Maths exam question: Hannah has 6 orange sweets and some sweets! 10 pupils a biased coin in a one day event consists of 12 five-metre vaults and! 'S nephew Sean has two boxes containing plastic corbett maths probability exam questions bricks of these, the probability that she Â£1... Her taking 2 orange sweets is \ ( \frac { 7 } { }... 12 five-metre vaults mind reader and can tell what Paige is thinking is 85 % or not in... Do not wear socks is 0.2 + 0.35 ) at the jamboree, complete with.. A stall in Faulton Towers theme park situation with the letter R printed on 6 cards the! The possible corbett maths probability exam questions, \ ( \frac13\ ) the blue box contains three chocolate cakes and three plain.! Are not independent expected gain for this game, the lucky dip it costs Â£1 to and. An event that is too short has 6 orange sweets and some yellow sweets is 0.25 that: P lisa! Demonstration for year 10 pupils a biased five-sided spinner paperback format is picked at random and not. Is given in this supermarket contain at most one loaf that is too short really one!