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 0.05 with 99% confidence if ( a) she uses a previous estimate of 0.56 ? ( b) she does not use any prior estimates ?

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 0.05 with 99% confidence if ( a) she uses a previous estimate of 0.56 ? ( b) she does not use any prior estimates ?

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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