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Mathematics, 15.11.2019 05:31 oneicyahdaley10
Aresearcher 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 0.42?
(b) she does not use any prior estimates?
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Answers: 1
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