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Statement of a problem № m1384

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a) Calculate the probability of a type ii error for the following hypotheses when µ = 37:  ho: µ = 40  h1: µ < 40  The significance level is 5%, the population standard deviation is 5, and the sample size is 25.  b) Repeat part (a) with α = 15%.  c) Describe the effect on β of decreasing α.

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