She does not use any prior? estimates

Reference no: EM133651052

Question: 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 0.05 with 99?% confidence if?(a) she uses a previous estimate of 0.28???(b) she does not use any prior? estimates?

Reference no: EM133651052

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