Mathematics 9709/51 — May/June 2021
Cambridge A-Level · Probability & Statistics 1 · worked solutions for every part, with the mark scheme
7
questions
50
marks
75
minutes
Topics Probability · Permutations and Combinations · The Normal Distribution · Discrete Random Variables · Representation of Data
Q14MPermutations and CombinationsFree sample
A bag contains 12 marbles, each of a different size. 8 of the marbles are red and 4 of the marbles are blue.
How many different selections of 5 marbles contain at least 4 marbles of the same colour?
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6 more questions- Q2The Normal Distribution5M
- Q3Permutations and Combinations · Probability8M
- Q4Probability7M
- Q5Representation of Data8M
- Q6Discrete Random Variables · The Normal Distribution9M
- Q7Probability · Discrete Random Variables9M
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