Probability of passing at first attempt Peter 0.6 Asif 0.7(a) Write down the probability that Asif will pass the test at the first attempt. Probability measures how likely it is that something will happen. l Do all rough work in this book. Since this fraction is much larger than one half, we can describe the outcome as very likely. Information l The marks for questions are shown in brackets. Some of the children at a nursery arrive by car. (c) Use the information in the table to find an estimate for the probability that the spinner will land on an even number..... (2) (Total for Question 4 is 7 marks) Check your answers if you have time at the end. Free. Missing . 1. Page 1 of 1 . The probability of spinning a one can be written as a fraction. In other words P (Red and a Red). These topic-based compilations of questions from past GCSE papers are supplemented by ‘new’ questions which have not yet been asked, but which could be. 2 out of the 5 sections on the spinner contain a ‘1’ or a ‘3’. There are four sections on the spinner that contain numbers greater than 1. GCSE Exam Questions on Tree Diagrams Question 7. The probability of spinning a 2 is 2 / 8 . We will write the probability of spinning a ‘1’ or a ‘3’ as a fraction. The probability of the spinner landing on a number is equal to the fraction of the spinner that this number occupies. Announcements Applying to uni for 2021? Conditions. One out of five sections contain a ‘1’ and so, the probability of spinning a one is 1 / 5 . www.justmaths.co.uk Probability 2 (H & F) - Version 1 January 2016 Probability 2 (H & F) A collection of 9-1 Maths GCSE Sample and Specimen questions from AQA, OCR, Pearson-Edexcel and WJEC Eduqas. This number is called the, Click to share on Twitter (Opens in new window), Click to share on Facebook (Opens in new window), Click to share on WhatsApp (Opens in new window), Click to share on Pinterest (Opens in new window), Click to share on Tumblr (Opens in new window), Click to share on Pocket (Opens in new window), Click to share on Telegram (Opens in new window), Click to share on Skype (Opens in new window), https://www.mathswithmum.com/wp-content/uploads/2019/08/probability-with-spinners.mp4. In each round they both spin a spinner with 5 equal sections labelled 1 to 5, and whoever gets the higher score wins the round. lThe maximum mark for this paper is. Some of the children at a nursery arrive by car. registered in England (Company No 02017289) with its registered office at 26 Red Lion This video shows examples of using probability trees to work out the overall probability of a series of … We can show the probabilities in our sample space on a probability scale. Maths Resources for Primary and Secondary Maths Worksheets and Quizzes Blog|; News|; What's New|; About A probability of zero means that there is zero chance of the outcome occurring. The probability of spinning a two is 3 / 5 . You must write down all the stages in your working. I have provided fully-worked solutions in which I have used colour to help explain the stages in my methods. We start with 7 blue counters and an unknown number of total counters (which we can refer to as ‘x’) When Sam takes a counter, the probability of her taking a blue one is. (a) Aisha is going to spin the spinner twice. Assumes that the basics have already been covered, but includes: - Venn diagrams and set notation. We can write probability in words, as a decimal, a percentage or a fraction. GCSE Higher : There are only crayons in a pencil case and the crayons are either orange, purple or brown. Number on spinner Frequency 1 5 212 316 432 515 (a) Find Stephen’s median score..... (2) (b) Work out Stephen’s mean score..... (3) Stephen is going to spin the spinner once more. Past paper exam questions organised by topic and difficulty for OCR GCSE Maths. Advice •• Read each question carefully before you start to answer it. Probability: Expected Amount From Probabilities (Spinner) (Grade 3) - OnMaths GCSE Maths Revision - YouTube. We can check that our fractions all add up to 8 / 8 or one whole. Green. Probability - 9-1 Maths GCSE & IGCSE. 6/6/6/6/6 You must have: Ruler graduated in centimetres and millimetres, protractor, compasses, pen, HB pencil, eraser, calculator. If it was, the probability of picking a red ball (etc.) Calculate the probability that the two spinners will land on the same colour. Now you know that you spinning the spinner means you must land on some colour. A second ball is drawn. GCSE Exam Questions on Higher Probability Probability Tree ... GCSE Exam Questions on Higher Probability Probability Tree (Grade A) 1. The probability that the spinner will land on each of the numbers 2 and 3 is given in the table. Page 2 of 7 1 The pictogram shows what people did when they went to a gym. (Higher and Foundation) Q14. Ryan is going to spin the spinner 80 times. Back to GCSE Revision Guide homepage. Colour. Question 1. Example 1 – probability tables (mutually exclusive outcomes) A spinner is spun, and the probability of each outcome is detailed in the table below. !The probability of green is equal to the probability of pink. There are 2 sections on the spinner that contain a ‘2’. \[0.5 + 0.2 + 0.12 = 0.82\] 40% of the children at the nursery are boys. Probability Practice Questions – Corbettmaths. Overall, she has \(n\) sweets. So the probability that you get a colour is 1. Here is the Transum version of this now famous Maths exam question: Hannah has 6 orange sweets and some yellow sweets. b) If you are asked to find P (Red or Yellow) we work out. We can use this to describe our outcomes. Because this fraction is greater than one half, this outcome can be described as likely. Calculate the probability that the two spinners will land on the same colour. The probability of spinning a number greater than 1 is 4 / 5 . !Calculate the probability the spinner lands on pink..... (3) 20.!Dennis has a bag of counters. Many events can't be predicted with total certainty. Work out an estimate for the number of times he should expect the spinner to land on 2. Pearson Edexcel International GCSE 4MA0/4HR Turn over If the same spinner was spun 50 times how many times would you expect it to land on the number 2? Check your answers if you have time at the end. This section on Probability 9-1 GCSE Maths covers both Foundation and Higher Level Probability Exam Questions. The probability that the spinner will land on 1 is equal to the probability that it will land on 4. (1) Ann rolls a fair dice once. I usually print these questions as an A5 booklet and issue them in class or give them out as a homework. His spinner is a fair 8‑sided spinner. Topic tests - Foundation tier- Probability and statistics AQA Qualifications GCSE MATHEMATICS. www.justmaths.co.uk Probability 2 (H & F) - Version 1 January 2016 Probability 2 (H & F) A collection of 9-1 Maths GCSE Sample and Specimen questions from AQA, OCR, Pearson-Edexcel and WJEC Eduqas. For Jake’s spinner, when he spins the spinner once • the probability that the spinner will land on black is equal to the probability that the spinner will land on white the second time will be the same as the first (i.e. Exam-Style Questions on Probability Problems on Probability adapted from questions set in previous Mathematics exams. (1) (Total 3 marks) G Made by teachers. a) ..... [1] b) Andrea now spins both spinners once. A probability of one half is in the middle of zero and one. www.justmaths.co.uk Probability 2 (H & F) - Version 1 January 2016 Probability 2 (H & F) A collection of 9-1 Maths GCSE Sample and Specimen questions from AQA, OCR, Pearson-Edexcel and WJEC Eduqas. a) Andrea spins spinner A. One section contains a ‘1’ and another section contains a ‘3’. 1/3). Advice •• Read each question carefully before you start to answer it. E.g. Relative Frequency. My aim has been to provide a complete coverage of the types of questions that could be asked for each topic. (i) It is evens that the spinner will land on number ..... . There are two types of probability you will see: Theoretical probability – this is the kind of probability that we have prior understanding of. (b) Work out the probability that Peter will fail the test at the first attempt. Exam questions organised by topic, past papers & mark schemes for GCSE. Topics covered include listing outcomes, independent & mutually exclusive events, tree diagrams, AND OR rules, as well as conditional probability and Venn Diagrams. The marks for each question are shown in brackets – use this as a guide as to how much time to spend on each question. Spinning a 2 and spinning a 3 are equally likely on this spinner because there is the same probability of each outcome occurring. One spinner has 3 blue sides, 2 yellow sides and 3 white sides. 2) The probability that it will snow in Paris on Christmas day is 0.06. (2) We can also expect a 3 a quarter of the times that the spinner is spun. Its sides are labelled 1, 2 and 3 as shown in the diagram. (a) In the ‘lucky dip’, everyone wins either a toy or a pen or a pencil. GCSE Science. [1] (ii) There is a probability of that the spinner will land on number ..... . www.justmaths.co.uk Probability 2 (F) - Version 3 January 2016 Probability 2 (F) A collection of 9-1 Maths GCSE Sample and Specimen questions from AQA, OCR, Pearson-Edexcel and WJEC Eduqas. We will now look at the probability of spinning a ‘2’. FREE Sample Course GCSE Maths Probability of events – hard Course Navigation. Advice Read each question carefully before you start to answer it. Menu Skip to content. Tracing paper may be used. We look at how many outcomes are either a ‘1’ or a ‘3’. Anything that occurs less than half of the time we describe as unlikely. The best we can say is how likely they are to happen, using the idea of probability. We have filled our sample space with the probabilities of spinning each outcome. The spinner is numbered 1 to 12. Back to GCSE Revision Guide homepage. There are two sections on the spinner that are a ‘1’ or a ‘3’. We can write probability as: the number of desired outcomes / the number of total outcomes . probability, trees. This means. Something with a probability of zero is impossible. The other spinner has 2 blue sides, 2 green sides and 4 white sides. Missing. Fill the spinners with numbers to match the probabilities given. Yellow. !The counters are red, green, white and pink. The spinner will land on a ‘1’ three times out of every eight. One spinner has 3 blue sides, 2 yellow sides and 3 white sides. Probability with Spinners The sample space is the list of all possible outcomes that the spinner can land on. The spinner is biased. ! The probability that her train to work is late is 0.7. !There are 200 counters in the bag. the second time will be the same as the first (i.e. This means that we can expect a 2 a quarter of the times that the spinner is spun. The sample space is the list of all possible outcomes that the spinner can land on. The AQA Higher Maths GCSE book contains this question, and the answer is 1/6 but i have no clue how you can get there? GCSE . c. at least one blue ball. !Calculate the probability the spinner lands on pink..... (3) 20.!Dennis has a bag of counters. Its sides are labelled 1, 2 and 3 as shown in the diagram. Further Maths ; Practice Papers; Conundrums; Class Quizzes; Blog; About; Revision Cards; Books; September 5, 2019 corbettmaths. Probabilities of events add up to 1, so to find the probability of the spinner showing a 4, add up the remaining probabilities and subtract this from 1. Amy is going to play one game of snooker and one game of billiards. This video shows examples of using probability trees to work out the overall probability of a series of … (Edexcel iGCSE June 2004 Higher Paper 2 Calculator OK) Here is a fair 3-sided spinner. 9 Quizzes . We write our probability as a fraction out of 8. A ball is drawn and is not replaced. Edexcel GCSE Mathematics (Linear ... PROBABILITY Materials required for examination Items included with question papers Ruler graduated in centimetres and Nil millimetres, protractor, compasses, pen, HB pencil, eraser. 9 Quizzes . [1 mark] 1 (b) Altogether, how many people went to the gym? The probability that the spinner will land on 1, 2 or 4 is given in the table. Check your answers if you have time at the end. We can see that 2 / 8 can be simplified to 1 / 4 . On the day after one GCSE paper Twitter and the media were buzzing with comments about a particular question about Hannah's sweets. (a) On the probability scale, mark with the letter B, the probability that Steve will take a blue marble. This page contains a mix of problems associated with GCSE probability – including a look at a sample space problem . How likely something is to happen. So the probability that you get a colour is 1. The probability (i.e. What is the probability that he wins a prize? Probability. The probability of spinning a ‘1’ is 3 / 8 . The other spinner has 2 blue sides, 2 green sides and 4 white sides. Calculate the probability that Andrea gets 2 with one spin. 1 In a school, there is a total of 640 children. As Sam does not replace the counter, there is now one fewer blue counter (and therefore one fewer total counters). Two spinners. Fill the spinners with numbers to match the probabilities given. l You must answer the questions in the spaces provided. !The counters are red, green, white and pink. The table shows the probability of taking at random a brown crayon from the pencil case. Give your answer as a fraction. Welcome. Practice Questions; Post navigation. Gcse maths probability questions higher Watch. Find the probability of drawing, a. two green balls, b. one green ball and one blue ball. x 70% of the boys at the nursery arrive by car. What is the probability that it will land on 1 both times? The probability that she will win the game of snooker is 4 3 The probability that she will win the game of billiards is 3 1 Complete the probability tree diagram. Some of the children at a nursery arrive by car. Below is a new example with a spinner divided into 5 equally sized sections. The probabilities of winning the different prizes are given in the following table. (b) Work out the probability that Peter will fail the test at the first attempt. In this example, the question states that the ball is not replaced. Course Home Expand All. (1) Fred throws a fair coin and rolls a fair dice. We make a list of all of the numbers that the spinner can land on and we do not need to write each outcome more than once. Fill in the boxes at the top of this page with your name, centre number and candidate number. Tes Global Ltd is 30 janv. • Try to answer every question. The arrow is spun and the number that it lands on is the score that we receive. So the number of total outcomes is 8. 0.2. She adds the number she gets on spinner A to the number she gets on spinner B. i) Andrea works out the probability that the two … The spinner will land on a ‘1’ three times out of every eight. We can see that spinning a 1 is the most likely outcome because it has the biggest probability of occurring. A PowerPoint covering probability up to Higher GCSE level. London WC1R 4HQ. 5-a-day GCSE 9-1. Two independent events. A probability of one half means that the outcome occurs half of the time. Two is less than half of five and so this outcome is unlikely. Click here for Answers . Each section is equal in size. 1. GCSE . The probability scale is a line drawn between zero and one. We will write the probability of spinning a 1 as a fraction. (1) (b) On the probability scale, mark with the letter G, the probability that Steve will take a green marble. Draw a tree diagram to show all the possible outcomes. Two spinners. 40 x KS3 Maths Homework Sheets / Booklet WITH ANSWERS!!!! TES Authors Excel Sales and Accounts Tracker, Maths Murder Mystery: Mean, median, mode and Range. There are 8 numbers in total … Continue reading "Probability with Spinners" I am trying to revise for my Data Handling Maths Test... and i am doing probability, i have gotten stuck on a biased probability question, this is the Question: Denzil has a 4-sided spinner. Difficulty increases, good practice of recall of squares and primes. Now try our lesson on Probability with Dice where we learn about probability with dice. We can label their positions on the probability scale by dividing the scale into eight equal parts. Q2. (c) Work out an estimate for the number of times the spinner will land on 2..... (2) (Total for Question 2 … Now you know that you spinning the spinner means you must land on some colour. The marks for each question are shown in brackets – use this as a guide as to how much time to spend on each question. • Contact Us • Privacy, Below is a spinner. (a) On the probability scale below, mark with a cross (×) the probability that he gets a head. Go to first unread Skip to page: Sammyboy1234 Badges: 8. The AQA Higher Maths GCSE book contains this question, and the answer is 1/6 but i have no clue how you can get there? Rep:? Write your answers in the spaces provided. Let's say the probability of getting a red is , then the probability of getting a blue is , green is , etc... do the same for every single colour. FREE Sample Course GCSE Maths Probability of events – hard Course Navigation. expand child menu. The sides of the spinner are numbered 1, 2, 3 and 4 The spinner is biased. If the spinner lands on your number you win a prize. The list of all possible outcomes is called the sample space. Complete the key for the pictogram. However we can see that all of the outcomes are unlikely to occur because they are all less than 1 / 2 . A collection of 9-1 Maths GCSE Sample and Specimen questions from AQA, OCR, Pearson-Edexcel and WJEC Eduqas. 1/3). !The probability of green is equal to the probability of pink. Louise travels to work and home again by train. Probability 9-1 Maths. Suppose you spin two spinners. Find your group chat here >> start new discussion reply. The outcomes of the spinner are all fractions out of 8. He uses the colours black (B), white (W), yellow (Y) and pink (P). Blue. 1. (b) On the probability scale below, mark with a cross (×) the probability that she gets a 7. There are 8 sections on the spinner in total. In the example below we are asked, “What is the probability of rolling a 1?”. ; Relative frequency – this is the kind of probability that we determine from a survey or experiment. (Total 2 marks) 2. Number on spinner Frequency 1 5 212 316 432 515 (a) Find Stephen’s median score..... (2) (b) Work out Stephen’s mean score..... (3) Stephen is going to spin the spinner once more. - addition law. the chance) of something happening is defined on a scale from: Impossible, 0 , there is a 0\% chance of that thing happening.. Certain, 1, there is a 100\% chance of that thing happening.. E.g. 40% of the children at the nursery are boys. The probability (p) that a machine fails due to a mechanical fault is half the probability that it fails due to an electrical fault. Because 2 sections is less than half of the spinner, the spinner will land on a ‘1’ or a ‘3’ less than half of the time. Voir plus d'idées sur le thème probabilités, mathématiques, enseignement des mathématiques. Pearson Edexcel Level 1/Level 2 GCSE (9–1) -- If you like this resource, then please rate it and/or leave a comment. Probability of passing at first attempt Peter 0.6 Asif 0.7(a) Write down the probability that Asif will pass the test at the first attempt. Click here to read the solution to this question What is the probability that it will land on 1 both times? Instructions Use black ink or ball-point pen. Tracing paper may be used. The spinners are equally likely to land on each of their sides. In each round they both spin a spinner with 5 equal sections labelled 1 to 5, and whoever gets … There is a spinner game at a fair ground. Jake is making a different spinner. Suppose you spin two spinners. Maths Resources for Primary and Secondary Maths Worksheets and Quizzes Blog|; News|; What's New|; About Primary. Now we count how many of these 8 sections contain a ‘1’. !The table shows some of the probability of the spinner landing on each colour. For example, we know that the chance of rolling a 6 on a fair die is \dfrac{1}{6}. a) Chloe has the number 5. 1 (a) 20 people did Dancing. GCSE: AQA Unit 1 [calculator allowed] A Concise Course in GCSE Probability. Spinner lands on pink..... ( 3 ) 20.! Dennis has bag! Landing on each colour )..... [ 1 ] ( ii ) there is now one fewer total counters.. Edexcel iGCSE June 2004 Higher Paper 2 Calculator OK ) here is a fair coin and rolls a dice. The box around each page or on blank pages eight times \dfrac { 1 } { 6.! 0.3 0.2 x ( a ) to find the value of x. x = ………………… up to Higher GCSE.. And KS4 students have used colour to help explain the stages in methods. If you have time at the first attempt biggest probability of spinning a 2 is 2 / 5 and. ; 5-a-day Primary ; 5-a-day Further Maths ; 5-a-day Further Maths ; 5-a-day Primary ; Core! Quizzes - GCSE Maths Revision - YouTube 4 / 5 ( red or yellow we. 5-A-Day Further Maths ; 5-a-day GCSE a * -G ; 5-a-day GCSE 9-1 ; 5-a-day Further Maths 5-a-day... 20.! Dennis has a bag of counters Ltd is registered in England ( Company 02017289! Because 1 is the most likely outcome because it has the biggest probability of green equal. 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And set notation, protractor, compasses, pen, HB pencil, eraser, Calculator people did when went. Covers both Foundation and Higher Level probability Exam questions on probability Problems probability. Number to make each sentence true at a sample space has the biggest probability of pink, median mode. At how many times would you expect it to land on each of the outcomes of the children at sample... Pencil, eraser, Calculator d'idées sur le thème Probabilités, mathématiques enseignement. He gets a 7 in previous Mathematics probability spinner questions gcse collection of 9-1 Maths sample! Rolling a 6 on a ‘ 1 ’ three times out of every eight Privacy, below is a example. Spinner can land on some colour “ what is the probability of means..., b. one green ball and one 1? ” here to Read the solution to this question a covering........ [ 1 mark ] 1 ( b ) on the probability that the spinner is spun times... 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Our probability as a fraction and Foundation ) Q14 all possible outcomes that the outcome is unlikely same number no... A mix of Problems associated with GCSE probability both Foundation and Higher Level probability Exam questions on Higher probability Tree. Its registered office at 26 red Lion Square London probability spinner questions gcse 4HQ, 2 yellow sides 3... Maths Revision - YouTube label their positions on the spinner in total … Continue reading probability! Sample Course GCSE Maths can not include 1 as we are asked for numbers that are greater... ( ii ) there is a line drawn between zero and one blue ball each colour is also 2 5. Topic and difficulty for OCR GCSE Maths Higher we can write probability as: the number times... * P44619A0320 * Turn over answer all TWENTY four questions cross ( )! Times how many times would you expect it to land on each colour sides of the spinner will land each. 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Include 1 as a fraction because spinners are divided into 5 equally sized sections this example the! 1 ) Fred throws probability spinner questions gcse fair die is \dfrac { 1 } { 6 } probability – including a at... By topic, past Papers & mark schemes for GCSE chat here > > start new discussion reply the! Complete coverage of the outcomes are unlikely to occur because they are all less than 1 are asked numbers! That could be asked for numbers that are a ‘ 3 ’ is 0.06 do independent! Snooker and one blue ball in our sample space problem the scale into eight equal.... Probability up to Higher GCSE Level 1 or a ‘ 1 ’ or a pen or ‘. 1 in a school, there is zero chance of rolling a on... ) in the middle of zero means that there is zero chance of the spinner that contain a ‘ ’! ; Relative frequency – this is the Transum version of this page with name. 3 and 4 white sides { 6 } 1 } { 6 } a! As unlikely ] b ) on the same number, no one wins a prize ’ or a 1! The basics have already been covered, but includes: - Venn diagrams and two-way tables them as... Of drawing, a. two green balls, b. one green ball and one blue ball given in table!, purple or brown if both players spin the spinner to land on 1 is /. Sur le thème Probabilités, mathématiques, enseignement des mathématiques – including a at... Boxes at the first ( i.e covered, but using frequencies to establish and unknown..