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

0.02

with

95%

confidence if

(a) she uses a previous estimate of

0.46?

(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.)

Part 2

(b)

n=enter your response here

(Round up to the nearest integer.)