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Answer to Question #53729 in Statistics and Probability for michael
Question #53729
assume we want to estimate the mean cost of computer repairs for the population of consumers. How many consumers randomly selected for the survey if we want to be 95% confident that the sample mean is within $2 of the population mean?
(margin of error e=2, a=0.5, o=12 and za/2 = 1.96
(margin of error e=2, a=0.5, o=12 and za/2 = 1.96
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