A hypothesis test is carried out at the 5% significance level.
Identify what the significance level of 5% represents.
Circle your answer.
The probability that the null hypothesis is true
The probability that the alternative hypothesis is true
The probability of rejecting the null hypothesis when it is in fact true
The proportion of the population that is in the sample
162 exam-style questions on AQA A Level Maths 2.5 O: Statistical hypothesis testing, covering 2.5.1 Language of hypothesis testing, 2.5.2 Hypothesis test for a binomial proportion, and 2.5.3 Hypothesis test for a Normal mean (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.