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4.5 Statistical distributions (A-level only)

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Question 45

The random variable X X\,X has the distribution X∼N(μ,σ2)X \sim N(\mu, \sigma^{2})X∼N(μ,σ2).

Identify the probability P(X<μ)P(X<\mu)P(X<μ).

Tick one box.

A

000

B

0.250.250.25

C

0.50.50.5

D

111

Markscheme

4.5 Statistical distributions (A-level only) Questions

  1. A Level
  2. /Maths
  3. /4.5 Statistical distributions (A-level only)

284 exam-style questions on CCEA A Level Maths 4.5 Statistical distributions (A-level only), covering 4.5.1 Statistical distributions (A-level only) and 4.5.2 Statistical distributions (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

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