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2.4 Statistical distributions

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Question 10

Harry is late for school independently on each day with probability 0.1. Over 30 school days, find the probability that he is late

a.

exactly once,

[1]
b.

more than four times,

[1]
c.

fewer than three times.

[1]
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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