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2.7 Statistical distributions

2.7 Statistical distributions

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Question 1

Each of ten independent checks is passed with probability 0.6. A batch is accepted if at least four checks are passed.

a.

Find the probability that one batch is accepted.

[2]
b.

Five independent batches are tested. Find the probability that exactly four are accepted.

[3]
Markscheme

2.7 Statistical distributions Questions

  1. A Level
  2. /Maths
  3. /2.7 Statistical distributions

39 exam-style questions on CCEA A Level Maths 2.7 Statistical distributions, covering 2.7.1 Statistical distributions and 2.7.2 Statistical distributions. Each one has a worked solution and a mark scheme showing where the marks go.

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