Question: A normal distribution has a standard deviation of 1 We want to verify a claim that the mean is greater than 12 A sample of

A normal distribution has a standard deviation of 1 We want

A normal distribution has a standard deviation of 1 We want to verify a claim that the mean is greater than 12 A sample of 36 is taken with a sample mean of 12 5 Calculate the test statistic T S

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