Homework Help: ncu

Posted by lee on Thursday, October 6, 2011 at 9:08am.

a health care professional wishes to estimate the birth weight of infants how large a sample must she select to be 90% confident that the true mean is within 6 ounces of e sample mean. the standard deviation of birth weights is
is known to be 8 ounces

What?? - Writeacher, Thursday, October 6, 2011 at 11:04am
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