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A quality expert inspects 320 items to test whether the population proportion of defectives exceeds .04,...

A quality expert inspects 320 items to test whether the population proportion of defectives exceeds .04, using a right-tailed test at α = .05.

(a) What is the power of this test if the true proportion of defectives is ππ = .05? (Round your intermediate calculations and final answer to 4 decimal places.)

Power: ______

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

Power: ______

(c) What is the power of this test if the true proportion of defectives is ππ = .07? (Round your intermediate calculations and final answer to 4 decimal places.)

Power: ______   

Math   Statistics-And-Probability   
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