Question: Please ans the question: 2. Let the test statistic Z have a standard normal distribution when H0 is true. Give the signicance level for each

Please ans the question:

2. Let the test statistic Z have a standard normal distribution when H0 is true. Give the signicance level for each of the following situations: a) Ha: u 72' no, rejection region 2 } 1.88 b) Ha: u

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