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Hypothesis Testing

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Question 12

Chris plays tennis. The probability that Chris will get one of his serves in court is 50%.

Chris serves 24 times.

ai.

Find the probability Chris gets exactly 15 serves in court

[1]
aii.

Find the probability more than 15 of the serves will be in court.

[2]
b.

Chris's coach thinks that the probability of Chris getting a serve in court has changed. Chris serves 40 times in a set and 24 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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