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February 1, 2015

February 1, 2015

Posted by **Rob** on Tuesday, April 30, 2013 at 12:29am.

95% confidence the sample size is 2096 of which 25%are successes

The margin of E= (round to four decimal places as needed)

- Statistics -
**MathGuru**, Tuesday, April 30, 2013 at 7:54pmMargin of error = (1.96)[√(pq/n)]

Note: 1.96 represents 95% confidence.

For p in your problem: .25

For q: 1 - p = q

n = 2096

I let you take it from here to calculate.

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