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4.2 Statistical distributions (A-level only)

4.2 Statistical distributions (A-level only)

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Question 171

The smallest angle θ\thetaθ, in degrees, of a right-angled triangle is uniformly distributed over all its possible values. The hypotenuse is 8 cm.

a.

State the distribution of θ \theta\,θ and find its mean.

[2]
b.

The shortest side has length X X\,X cm. Find P(X>5)P(X>5)P(X>5).

[4]
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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