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2.4 Statistical distributions

2.4 Statistical distributions

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Question 25

A baker sells 3.5 birthday cakes per hour on average. The number sold is modelled by a Poisson distribution.

a.

Find the probability that exactly 2 cakes are sold in one hour.

[2]
b.

Find the probability that more than 10 cakes are sold in three hours.

[3]
Markscheme

2.4 Statistical distributions Questions

  1. A Level
  2. /Maths
  3. /2.4 Statistical distributions

47 exam-style questions on WJEC A Level Maths 2.4 Statistical distributions, covering 2.4.1 Statistical distributions, 2.4.2 Statistical distributions, and 2.4.3 Statistical distributions. Each one has a worked solution and a mark scheme showing where the marks go.

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