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

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 0.04 with 99​% confidence if ​(a) she uses a previous estimate of 0.46​? ​(b) she does not use any prior​ estimates?

Math   Statistics-And-Probability   
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Answer #1

We have given C= 0.99 and E = 0.04

And we have asked to find the required sample size n.

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