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A quality expert inspects 420 items to test whether the population proportion of defectives exceeds .03,...

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Basic Math

A quality expert inspects 420 items to test whether thepopulation proportion of defectives exceeds .03, using aright-tailed test at α = .02.

(a) What is the power of this test if the trueproportion of defectives is ππ = .05? (Round yourintermediate calculations and final answer to 4 decimalplaces.)

Power:

(b) What is the power of this test if the trueproportion is ππ = .06? (Round your intermediatecalculations and final answer to 4 decimal places.)

Power:

(c) What is the power of this test if the trueproportion of defectives is ππ = .07? (Round yourintermediate calculations and final answer to 4 decimalplaces.)

Power:   

Answer & Explanation Solved by verified expert
3.8 Ratings (612 Votes)
SolutionsHere first we compute the critical values of the proportionasFor 002 level of significance we get from the standard    See Answer
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