Skip to content

Course home

2.5 Statistical hypothesis testing

2.5 Statistical hypothesis testing

EasyMediumHard
12345678910111213141516
Question 1

A two-tailed test of H0:p=0.5H_0:p=0.5H0​:p=0.5 uses X∼B(30,p)X\sim B(30,p)X∼B(30,p) and has critical region X≤8 X\leq8\,X≤8 or X≥22X\geq22X≥22.

a.

Calculate the actual significance level.

[2]
b.

Find the probability of a Type II error when p=0.65p=0.65p=0.65.

[3]
Markscheme

2.5 Statistical hypothesis testing Questions

  1. A Level
  2. /Maths
  3. /2.5 Statistical hypothesis testing

40 exam-style questions on WJEC A Level Maths 2.5 Statistical hypothesis testing, covering 2.5.1 Statistical hypothesis testing, 2.5.2 Statistical hypothesis testing, 2.5.3 Statistical hypothesis testing, 2.5.4 Statistical hypothesis testing, and 2.5 Statistical hypothesis testing. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank