The critical value for a one-tail (upper)hypothesis test when the population standard deviation is known, the sample size is 30 or more, and α = 0.02 is ------ .
A)2.33
B)2.575
C)2.96
D)2.05

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The Answer of The critical value for a one-tail (upper)hypothesis test when the population standard deviation is known, the sample size is 30 or more, and α = 0.02 is ------ .
A)2.33
B)2.575
C)2.96
D)2.05

The Critical Value for a One-Tail (Upper)hypothesis Test When the Population