Mathematics, 03.04.2020 19:42, Justadumbemo

A researcher wishes to estimate the proportion of adults who have high-speed Internet access. What size sample should be obtained if she wishes the estimate to be within 0.04 with 99% confidence if
(a) she uses a previous estimate of 0.52?
(b) she does not use any prior estimates?

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A researcher wishes to estimate the proportion of adults who have high-speed Internet access. What s...