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September 2, 2015

Homework Help: statistics

Posted by Joey on Saturday, March 28, 2009 at 10:58pm.

Determine the sample size required to estimate a population proportion to within 0.032 with 95.7% confidence, assuming that you have no knowledge of the approximate value of the sample proportion.

Sample Size =

B. Repeat part the previous problem, but now with the knowledge that the population proportion is approximately 0.33.

Sample Size =


i don't understand how you can do this without the margin or error.

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