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3 marksHypothesis Testing

CAPE Applied Mathematics Unit 1 · 2008 · Paper 2 · Question 5(b)(v)

A hypothesis test is conducted at the 1% significance level to test whether p is different from 0.52.

Supporting your answer with a reasoned argument, state the conclusion that may be drawn from the hypothesis test.

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Other parts of this question

  1. 5(a)Omitting the continuity correction, calculate an approximate 97% confidence interval for p.[6 marks]
  2. 5(b)(i)Using symbols only, state appropriate null and alternative hypotheses.[4 marks]
  3. 5(b)(ii)Justify the use of a normal distribution approximation in this large-sample test of a binomial proportion.[2 marks]
  4. 5(b)(iii)State the critical region(s) for this test.[4 marks]
  5. 5(b)(iv)Using an appropriate continuity correction, calculate the test statistic.[6 marks]

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