Mathematics 9709/52 — October/November 2020
Cambridge AS Level · Probability & Statistics 1 · worked solutions for every part, with the mark scheme
6
questions
50
marks
75
minutes
Topics Probability · Discrete Random Variables · The Normal Distribution · Representation of Data · Permutations and Combinations
Q1Discrete Random VariablesFree sample
A fair six-sided die, with faces marked 1, 2, 3, 4, 5, 6, is thrown repeatedly until a 4 is obtained.
(a)2M
Find the probability that obtaining a 4 requires fewer than 6 throws.
(b)3M
On another occasion, the die is thrown 10 times.
Find the probability that a 4 is obtained at least 3 times.
The rest of this paper
5 more questions- Q2Probability · Discrete Random Variables7M
- Q3The Normal Distribution9M
- Q4Probability9M
- Q5Representation of Data9M
- Q6Permutations and Combinations · Probability11M
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