ncu
posted by lee on .
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

Please type your subject in the School Subject box. Any other words, including obscure abbreviations, are likely to delay responses from a teacher who knows that subject well.

birth weight of infants. a health care professional wishes to estimate the birth weights of infants. how large a sample must be obtained if she desires to be 90% confident that the true mean is within 2 ounces of the sample mean? assume sigma=8 ounces