Mathematics, 18.03.2021 07:20 dbag1162

You plan to conduct a survey to estimate the percentage of adults who use email. Find the number of adults who must be surveyed if you want to be 90% confident that the sample percentage is within two percentage points of the true percentage for the population of all adults. Assume that from a previous study it is determined that 94% of adults use email. Use formula n=(z a/2)^2 * P*Q/ E^2

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You plan to conduct a survey to estimate the percentage of adults who use email. Find the number of...