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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

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 90% confidence if

(a) she uses a previous estimate of 0.52?

(b) she does not use any prior estimates?

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Part 1

(a)

n=enter your response here

(Round up to the nearest integer.)

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