_____Does H_0: p notequalto 0.25 versus H_a: p = 0.25 comply with the rules for
ID: 3232742 • Letter: #
Question
_____Does H_0: p notequalto 0.25 versus H_a: p = 0.25 comply with the rules for setting up statistical hypotheses, and why? A. Yes. There is a null hypothesis and alternative hypothesis, one of them has an = (the alternative), they're both in terms of parameter, and the cut-off value same in both. B. No. Only the null hypothesis should have a statement of equality. C. No. For proportions, you can't use a Student's p distribution. D. Since we don't have a sample, we cannot answer this questions. _____Let the test statistic Z have a standard normal distribution when H_0 is true. Give the significance level for H_a: mu notequalto mu rejection region z greaterthanorequalto 2.88 or z lessthanorequalto -2.88. A. alpha = phi (-2.88) + {1 - phi(2.88)} = 0.004 B. When alpha is not provided, choose alpha = 0.05. C. alpha = 1 - phi(2 times -2.88) 0.Explanation / Answer
24. Null Hypothesis ( H0 ) Statement of zero or no change. If the original claim includesequality (<=, =, or >=), it is the null hypothesis.
Hence answer is B. Only the null hypothesis should have statement ofeuality.
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