9709/62

Mathematics 9709/62February/March 2016

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

7
questions
50
marks
75
minutes

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

Q1Representation of DataFree sample

For 10 values of xx the mean is 86.2 and (xa)=362\sum(x - a) = 362. Find the value of

(i)

x\sum x,

1M
(ii)

the constant aa.

2M

The rest of this paper

6 more questions
  • Q2Discrete Random Variables4M
  • Q3Probability7M
  • Q4Representation of Data7M
  • Q5Probability8M
  • Q6Permutations and Combinations10M
  • Q7The Normal Distribution · Probability11M
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