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4.2 Statistical distributions (A-level only)

4.2 Statistical distributions (A-level only)

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Question 23

Given that X∼N(500,2500)X \sim N(500, 2500)X∼N(500,2500) find the following probabilities:

a.

P(X>545)P(X > 545)P(X>545)

[1]
b.

P(X<420)P(X < 420)P(X<420)

[1]
c.

P(480<X<550)P(480 < X < 550)P(480<X<550)

[1]
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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