jase6160 jase6160
  • 22-05-2023
  • Mathematics
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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 to be within 0.030.03 with 9090 % confidence if (a) she uses a previous estimate of 0.580.58 ? (b) she does not use any prior estimates?

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