Suppose you want to test the claim that mu is not equal to 3.5. Given a sample size of n = 31 and a level of significance of alpha = 0.10 when should you reject Ho?

A) Reject Ho if the standardized test statistic is greater than 2.575 or less than -2.575.
B) Reject Ho if the standardized test statistic is greater than 1.96 or less than -1.96
C) Reject Ho if the standardized test statistic is greater than 2.33 or less than -2.33
D) Reject Ho if the standardized test statistic is greater than 1.645 or less than -1.645.

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  1. Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the Z score = .05 in the smaller area.

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