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: Â Â
