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A sample of 50 observations is selected from a normal population. The sample mean is 30, and the population standard deviation is 3. Conduct
A sample of 50 observations is selected from a normal population. The sample mean is 30, and the population standard deviation is 3. Conduct the following test of hypothesis using the 0.01 significance level. Hg: H 29 H: > 29 a. Is this a one- or two-tailed test? One-tailed test OTwo-tailed test b. What is the decision rule? O Reject He when z>2.326 O Reject H when z 2.326 QWERTYUI ASDFGHJK ZXCVBNM Hi 123 0 space re c. What is the value of the test statistic? (Round your answer to 2 decimal places.) Value of the test statistic d. What is your decision regarding He? Reject Ho O Fail to reject He 2.36 p-value e-1. What is the p-value? (Round your answer to 4 decimal places.) qwe asd ZX e-2. Interpret the p-value? (Round your final answer to 2 decimal places.) There is a % chance of finding a z value this large by "sampling error" when H0 is true.
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