in testing the null hypothesis ho u 75 against the alternative hypothesis ha u 75 a sample from

1. We are given a p-value of 0.018 and a significance level (α) of 0.05.

Question

In testing the null hypothesis Ho: Î¼ = 75 against the alternative hypothesis Ha: Î¼ > 75, a sample from a normal population has a mean of 76.9 with a corresponding t-score of 2.23 and a p-value of 0.018. If Î± = 0.05, which of the following are reasonable conclusions? A. We reject the null hypothesis, which means there's insufficient evidence to support the alternative hypothesis. B. We fail to reject the null hypothesis, which means there's sufficient evidence to support the alternative hypothesis. C. We fail to reject the null hypothesis, which means there's insufficient evidence to support the alternative hypothesis. D. We reject the null hypothesis, which means there's sufficient evidence to support the alternative hypothesis.

          In testing the null hypothesis Ho: Î¼ = 75 against the alternative hypothesis Ha: Î¼ > 75, a sample from a normal population has a mean of 76.9 with a corresponding t-score of 2.23 and a p-value of 0.018. If Î± = 0.05, which of the following are reasonable conclusions?

A. We reject the null hypothesis, which means there's insufficient evidence to support the alternative hypothesis.
B. We fail to reject the null hypothesis, which means there's sufficient evidence to support the alternative hypothesis.
C. We fail to reject the null hypothesis, which means there's insufficient evidence to support the alternative hypothesis.
D. We reject the null hypothesis, which means there's sufficient evidence to support the alternative hypothesis.

Added by Monica B.

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