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2.4 Statistical distributions

2.4 Statistical distributions

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Question 23

A cafe receives an average of 12 orders per hour. A manager proposes a Poisson model for the number of orders received.

a.

Find the probability of no orders in a 12-minute interval.

[2]
b.

Give two reasons why the model may be unsuitable during a full working day.

[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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