A two-sample t - test of the hypotheses Ho ; µi - H2 = 0 versus H1 ; µi - µ2 >0 produces a p-value of 0.032. Which of the following must be true? 1. A 90% confidence interval for the difference in means will contain the value 0. II. A 95% confidence interval for the difference in means will contain the value 0. III. A 99% confidence interval for the difference in means will contain the value 0. II only O l and Il only O Il and III only O I, II, and III O l only

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