A 1-proportion Z test of the hypotheses Ho: p= 0.5 versus Ha: p# 0.5 produces a p- value of 0.027. Which of the following must be true? I.A 90% confidence interval for the true proportion will not contain the value 0.5 II. A 95% confidence interval for the true proportion will not contain the value 0.5 III. A 98% confidence interval for the true proportion will not contain the value 0.5 O II only O l only O Il and III only O l and Il only O None of the above O 1, Il and III

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