A sample of 33 observations is selected from a normal population. The sample mean is 14, and the population standard deviation is 2. Conduct the following test of hypothesis using the 0.01 significance level. He: Hs 13 H: u> 13 a. Is this a one- or two-tailed test? O One-tailed test O Two-tailed test b. What is the decision rule? O Reject He when z> 2.326 O Reject He when zs 2.326 c. What is the value of the test statistic? (Round your answer to 2 decimal places.) Value of the test statistic

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A: population proportion(p) = 0.20