Probability Single Event Higher GCSE Questions These questions
Probability – Single Event – Higher – GCSE Questions These questions are the same format as previous GCSE exams. COPY means they use the exact same numbers as the original GCSE question. Otherwise, they are clone questions using different numbers. The worksheets are provided in a variety of sizes.
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GCSE 1 GCSE Edexcel Higher: November 2017 Paper 2, Q 21 There are 9 buttons in a bag. There is an equal number of green buttons, purple buttons and black buttons in the bag. There are no other buttons in the bag. 1 Edexcel Higher: November 2017 Paper 2, Q 21 There are 9 buttons in a bag. There is an equal number of green buttons, purple buttons and black buttons in the bag. There are no other buttons in the bag. 3 buttons are taken at random from the bag. (a) Work out the probability of taking 3 green buttons. (2) The 3 buttons are put back in the bag. Some more buttons are now put into the bag. There is still an equal number of green buttons, purple buttons and black buttons in the bag. 3 buttons are taken at random from the bag. (b) Is it now less likely or equally likely or more likely that the 3 buttons will be green? You must show how you get your answer. (2) (Total for Question 1 is 4 marks)
GCSE 1 Edexcel Higher: November 2017 Paper 2, Q 21 There are 9 buttons in a bag. There is an equal number of green buttons, purple buttons and black buttons in the bag. There are no other buttons in the bag. 3 buttons are taken at random from the bag. (a) Work out the probability of taking 3 green buttons. (2) The 3 buttons are put back in the bag. Some more buttons are now put into the bag. There is still an equal number of green buttons, purple buttons and black buttons in the bag. 3 buttons are taken at random from the bag. (b) Is it now less likely or equally likely or more likely that the 3 buttons will be green? You must show you get your answer. (2) (Total for Question 1 is 4 marks)
GCSE 1 Edexcel Higher: November 2017 Paper 2, Q 21 There are 9 buttons in a bag. There is an equal number of green buttons, purple buttons and black buttons in the bag. There are no other buttons in the bag. 3 buttons are taken at random from the bag. 3 buttons of each colour. (a) Work out the probability of taking 3 green buttons. 1 st 2 nd 3 rd (2) The 3 buttons are put back in the bag. Some more buttons are now put into the bag. There is still an equal number of green buttons, purple buttons and black buttons in the bag. 3 buttons are taken at random from the bag. (b) Is it now less likely or equally likely or more likely that the 3 buttons will be green? You must show you get your answer. Choose numbers to test. 4 buttons of each colour, 12 total 1 st 2 nd 3 rd More likely (2) (Total for Question 1 is 4 marks)
Questions? Comments? Suggestions? …or have you found a mistake!? Any feedback would be appreciated . Please feel free to email: tom@goteachmaths. co. uk
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