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2.7 Statistical distributions

2.7 Statistical distributions

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Question 8

The goals scored in a match are modelled by X∼Bin(10,0.15)X\sim\mathrm{Bin}(10,0.15)X∼Bin(10,0.15). A team plays 38 matches.

a.

Find P(X≥3)P(X\geq3)P(X≥3).

[2]
b.

Estimate the number of matches with no goals.

[2]
c.

The observed numbers were 6 matches with at least three goals and 7 with no goals. Comment on the model using both results.

[2]
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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