Posted by **Christie** on Tuesday, July 17, 2012 at 11:45pm.

a. In a random sample of 500 observations , we found the proportion of successes to be 48%. Estimate with 95% confidence the population proportion of successes.

B. Repeat part (a) with N=200

C. Repeat part (a) with N=1000

I need to know how to do this in excel?

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