The probability of a biased die landing on 6 is 0.5. The die is going to be rolled 20 times. Polly suspects that the probability of the die landing on 6 is not 0.5.
Write down the hypotheses that should be used to test Polly's suspicion
153 exam-style questions on Edexcel A Level Maths Hypothesis Testing, covering 7.1 Hypothesis Testing, 7.2 Finding Critical Values, 7.3 One-Tailed Tests, and 7.4 Two-Tailed Tests. Each one has a worked solution and a mark scheme showing where the marks go.