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2.4 Statistical distributions

2.4 Statistical distributions

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Question 7

A hospital records whether each of 50 appointments is missed and proposes M∼B(50,0.12)M\sim B(50,0.12)M∼B(50,0.12).

a.

Find P(M≤5)P(M\leq5)P(M≤5).

[2]
b.

Over 200 clinics, estimate the number with more than 8 missed appointments.

[2]
c.

Explain two ways in which appointment data could violate the binomial assumptions.

[2]
Markscheme

2.4 Statistical distributions Questions

  1. A Level
  2. /Maths
  3. /2.4 Statistical distributions

47 exam-style questions on WJEC A Level Maths 2.4 Statistical distributions, covering 2.4.1 Statistical distributions, 2.4.2 Statistical distributions, and 2.4.3 Statistical distributions. Each one has a worked solution and a mark scheme showing where the marks go.

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