Relative Frequency WORKSHEET ­ General 2 Mathematics Topic Areas: Probability PB1 Relative Frequency and Probability ­ Fundamental understanding ­ Single stage events ­ Relative Frequency Teacher: PETER HARGRAVES Source: HSC exam questions Exam Equivalent Time: 58.5 minutes Worked Solutions: Included Note: Each question has designated marks. marginal frequency, p. 554 joint relative frequency, p. 555 marginal relative frequency, p. 555 conditional relative frequency, p. 555 Previous conditional probability Core VocabularyCore Vocabulary Attendance Attending Not Attending Total Class Junior 42 64 106 Senior 77 37 114 Total 119 101 220 119 students are attending. Relative frequency is the number of times something happens divided by the number of total outcomes. For example, we know that the chance of rolling a 6 on a fair die is \dfrac{1}{6}. Displaying top 8 worksheets found for - Relative Frequency And Probability. We can use relative frequency to estimate probability. Videos, worksheets, 5-a-day and much more Complete lesson on relative frequency (or experimental probability) starting with a recap on probability. Describe in words the following probabilities. Instructions Use black ink or ball-point pen. That gives 7 divided by 30 or 23.3%. Observed Relative Frequencies More Probability Lessons Probability Worksheets Probability Games Videos, examples and solutions to help GCSE Maths students learn about relative frequency and probability. There are two types of probability you will see: Theoretical probability – this is the kind of probability that we have prior understanding of. Relative frequency RAG. 160 Chapter 5 Relative frequency and probability 5A lEVEl 2 12 Chloe is a clay target shooter. PROBABILITY AND RELATIVE FREQUENCY Materials required for examination Items included with question papers Ruler graduated in centimetres and Nil millimetres, protractor, compasses, pen, HB pencil, eraser. Relative frequency pair activity. Relative Frequency. Whether you want a homework, some cover work, or a lovely bit of extra practise, this is the place for you. KS2 - KS4 Teaching Resources Index. The Corbettmaths Textbook Exercise on Relative Frequency. Tracing paper may be used. a Hits the target 50% of the time b Hits the target 10% of the time c Hits the target 25% of the time d Hits the target 90% of the time e Hits the target 75% of the time 13 The probability of six outcomes is 0, 0.25,0.50, 0.75,0.90 and 1. ; Relative frequency – this is the kind of probability that we determine from a survey or experiment. To calculate the relative frequency of this outcome, divide the number of times it occurred by the total number of trials. Ready-to-use mathematics resources for Key Stage 3, Key Stage 4 and GCSE maths classes. A few multiple choice questions lead into a students investigation and a differentiated main task. 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