Mathematics 9709/62 — May/June 2011
Cambridge AS Level · Probability & Statistics 1 · worked solutions for every part, with the mark scheme
7
questions
50
marks
75
minutes
Topics Discrete Random Variables · The Normal Distribution · Representation of Data · Probability · Permutations and Combinations
Q14MDiscrete Random VariablesFree sample
A biased die was thrown 20 times and the number of 5s was noted. This experiment was repeated many times and the average number of 5s was found to be 4.8. Find the probability that in the next 20 throws the number of 5s will be less than three.
The rest of this paper
6 more questions- Q2The Normal Distribution5M
- Q3Representation of Data7M
- Q4Permutations and Combinations · Probability8M
- Q5Representation of Data8M
- Q6The Normal Distribution · Discrete Random Variables9M
- Q7Probability · Discrete Random Variables9M
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