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2.4 Statistical distributions

2.4 Statistical distributions

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Question 13

A seed germinates with probability 0.25. Twelve seeds are selected independently and grown under identical conditions. Let X X\,X be the number that germinate.

a.

State the distribution of XXX, including its parameters, and give two modelling assumptions.

[3]
b.

Find P(X=3)P(X=3)P(X=3).

[2]
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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