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A researcher wishes to estimate the proportion of adults who have? high-speed Internet access. What size sample should...

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Basic Math

A researcher wishes to estimatethe proportion of adults who have?high-speed Internet access. What sizesample should be obtained if she wishes the estimate to bewithin
0.03 with 90% confidence if
?(a) she uses a previousestimate of
0.36?
?(b) she does not use anyprior? estimates?

Answer & Explanation Solved by verified expert
4.4 Ratings (827 Votes)
Solution Given thatmargin of error E 003At 90    See Answer
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