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9709/61

Mathematics 9709/61 — October/November 2014

Cambridge A-Level · Probability & Statistics 1 · worked solutions for every part, with the mark scheme

7
questions
50
marks
75
minutes

Topics Representation of Data · Discrete Random Variables · Probability · The Normal Distribution · Permutations and Combinations

Q13MRepresentation of DataFree sample

Find the mean and variance of the following data.

5−2127−32−64085 \quad -2 \quad 12 \quad 7 \quad -3 \quad 2 \quad -6 \quad 4 \quad 0 \quad 8

The rest of this paper

6 more questions
  • Q2Discrete Random Variables6M
  • Q3Probability5M
  • Q4Representation of Data7M
  • Q5Discrete Random Variables9M
  • Q6The Normal Distribution10M
  • Q7Permutations and Combinations10M
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