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2 Statistics

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Question 171

Andy plays tennis. The probability that any one of his serves lands in court is 0.6.

Andy's coach thinks that this probability has changed. Andy serves 50 times in a set, and 35 of the serves land in court.

Stating your hypotheses clearly, test the coach's belief at the 10% significance level.

[6]
Markscheme

2 Statistics Questions

  1. A Level
  2. /Maths
  3. /2 Statistics

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