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Section 9.1 Homework Question 6
Section 9.1 Homework
6.
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 0.01 with 90% confidence if
(a) she uses a previous estimate of 0.48?
(b) she does not use any prior estimates?
(a) n= _____ (Round up to the nearest integer.)
(b) n= ______(Round up to the nearest integer.)