9709/62

Mathematics 9709/62October/November 2020

Cambridge A-Level · Probability & Statistics 2 · worked solutions for every part, with the mark scheme

7
questions
50
marks
75
minutes

Topics The Poisson Distribution · Sampling and Estimation · Hypothesis Tests · Continuous Random Variables · Linear Combinations of Random Variables

Q13MThe Poisson DistributionFree sample

On average, 1 in 50 000 people have a certain gene.

Use a suitable approximating distribution to find the probability that more than 2 people in a random sample of 150 000 have the gene.

The rest of this paper

6 more questions
  • Q2Sampling and Estimation4M
  • Q3Continuous Random Variables7M
  • Q4Sampling and Estimation · Hypothesis Tests8M
  • Q5The Poisson Distribution9M
  • Q6Hypothesis Tests9M
  • Q7Linear Combinations of Random Variables10M
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