Posted by **theresa** on Thursday, October 7, 2010 at 9:03am.

How many students must we sample if we want to be within 4% of the true proportion of female students at DeVry University when using a 95% confidence interval?

I was told last night that there would be an answer in a couple of hours?????????????????????? today is another day..............

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**PsyDAG**, Thursday, October 7, 2010 at 12:11pm
With the data you give here, I don't know how to answer your question. That may be the reason you did not get a response from others. Sorry.

- stats -
**kevin**, Sunday, November 28, 2010 at 8:37am
How many students must we sample if we want to be within 4% of the true proportion of female students at DeVry University when using a 95% confidence interval?

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