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Hypothesis Testing

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Question 92

Andy plays tennis. The probability that Andy will get one of his serves in court is 20%.

ai.

Andy serves 4 times. Find the probability Andy gets exactly 2 serves in court.

[1]
aii.

Andy serves 4 times. Find the probability more than 2 of the serves will be in court.

[2]
b.

Andy's coach thinks that the probability of Andy getting a serve in court has changed. Andy serves 4 times in a set and 3 are in court. Stating your hypothesis clearly, test the coach's claim at the 10% significance level.

[4]
Markscheme

Hypothesis Testing Questions

  1. A Level
  2. /Maths
  3. /Hypothesis Testing

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.

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