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4.6 Statistical hypothesis testing (A-level only)

4.6 Statistical hypothesis testing (A-level only)

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Question 62
46%

Andy plays tennis. The probability that Andy will get one of his serves in court is 60%.

ai.

Andy serves 20 times. Find the probability Andy gets exactly 15 serves in court.

[1]
aii.

Andy serves 20 times. Find the probability more than 15 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 50 times in a set and 35 are in court. Stating your hypothesis clearly, test the coach's claim at the 10% significance level.

[4]
Markscheme

4.6 Statistical hypothesis testing (A-level only) Questions

  1. A Level
  2. /Maths
  3. /4.6 Statistical hypothesis testing (A-level only)

209 exam-style questions on CCEA A Level Maths 4.6 Statistical hypothesis testing (A-level only), covering 4.6.1 Statistical hypothesis testing (A-level only), 4.6.2 Statistical hypothesis testing (A-level only), 4.6.3 Statistical hypothesis testing (A-level only), 4.6.4 Statistical hypothesis testing (A-level only), and 4.6.5 Statistical hypothesis testing (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

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