9709/62

Mathematics 9709/62October/November 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 · 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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