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Testing: Ho:u 57.7 Your sample consists of 32 values, with a sample mean of 58.8. Suppose the population standard deviation is known to be 4.81.

Testing: Ho:u 57.7 Your sample consists of 32 values, with a sample mean of 58.8. Suppose the population standard deviation is known to be 4.81. a) Calculate the value of the test statistic, rounded to 2 decimal places. b) At a = 0.08, the rejection region is

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