Posted by theresa on .
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..............

stats 
PsyDAG,
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,
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?