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4.2 Statistical distributions (A-level only)

4.2 Statistical distributions (A-level only)

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Question 31

The mass X X\,X grams of coffee in a jar is modelled by X∼N(200,4.22)X\sim N(200,4.2^2)X∼N(200,4.22).

Find P(X>207)P(X>207)P(X>207).

[2]
Markscheme

4.2 Statistical distributions (A-level only) Questions

  1. A Level
  2. /Maths
  3. /4.2 Statistical distributions (A-level only)

328 exam-style questions on WJEC A Level Maths 4.2 Statistical distributions (A-level only), covering 4.2.1 Statistical distributions (A-level only), 4.2.2 Statistical distributions (A-level only), and 4.2.3 Statistical distributions (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

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