Skip to content

Course home

2.4 Statistical distributions

2.4 Statistical distributions

EasyMediumHard
1234567891011121314151617181920212223242526
Question 26

In each of 500 independent batches, the number of failures F F\,F is modelled by B(18,0.35)B(18,0.35)B(18,0.35).

a.

Find P(F=5)P(F=5)P(F=5).

[2]
b.

Estimate the number of batches containing exactly 5 failures.

[2]
c.

Explain why the observed number need not equal the estimate.

[1]
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.

Question bank