Question

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 0.03 with 99% confidence if (a) she uses a previous estimate of 0.38? (b) she does not use any prior estimates? (a) n = (Round up to the nearest integer.)

          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 0.03 with 99% confidence if
(a) she uses a previous estimate of 0.38?
(b) she does not use any prior estimates?
(a) n = 
(Round up to the nearest integer.)

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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 0.03 with 99% confidence if
(a) she uses a previous estimate of 0.38?
(b) she does not use any prior estimates?
(a) n =
(Round up to the nearest integer.)

Added by Cathy M.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

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Solved by Expert Jerelyn Nevil

08/06/2023

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03, we have E = 0.03. Show more…

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