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need help A sample of 45 observations is selected from a normal population. The sample mean is 49, and the population standard deviation is 5.
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A sample of 45 observations is selected from a normal population. The sample mean is 49, and the population standard deviation is 5. Conduct the following test of hypothesis using the 0.10 significance level. Hop=51 Hu* 51 a. Is this a one or two-tailed test? One-tailed test Two-tailed test b. What is the decision rule? Reject My if-1.645Step by Step Solution
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