In Problems 9.52 and 9.53, suppose you are testing the null hypothesis H 0 : =
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In Problems 9.52 and 9.53, suppose you are testing the null hypothesis H0: π = 0.20 against the two-tail alternative hypothesis H1: π = 0.20 and you choose the level of significance α = 0.05. What is your statistical decision?
In problem 9.52
If, in a random sample of 400 items, 88 are defective, what is the sample proportion of defective items?
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Related Book For
Statistics For Managers Using Microsoft Excel
ISBN: 9780134173054
8th Edition
Authors: David M. Levine, David F. Stephan, Kathryn A. Szabat
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