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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 122

The probability that one of Andy's tennis serves lands in court is 0.60.

a(i).

For 20 independent serves, find the probability that exactly 15 land in court.

[1]
a(ii).

Find the probability that more than 15 land in court.

[2]
b.

Andy's coach believes that the population probability of a serve landing in court has changed. In a set, 35 of 50 serves land in court. Test the coach's belief at the 10% level of significance.

[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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