Mathematics 9709/62 — October/November 2011
Cambridge A-Level · Probability & Statistics 1 · worked solutions for every part, with the mark scheme
7
questions
50
marks
75
minutes
Topics Discrete Random Variables · Representation of Data · Permutations and Combinations · Probability · The Normal Distribution
Q13MRepresentation of DataFree sample
The following are the times, in minutes, taken by 11 runners to complete a 10 km run.
48.3 55.2 59.9 67.7 60.5 75.6 62.5 57.4 53.4 49.2 64.1
Find the mean and standard deviation of these times.
The rest of this paper
6 more questions- Q2Permutations and Combinations3M
- Q3Permutations and Combinations7M
- Q4Representation of Data8M
- Q5Probability · Discrete Random Variables · The Normal Distribution9M
- Q6Discrete Random Variables · Probability9M
- Q7The Normal Distribution · Discrete Random Variables11M
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