A health care professional wishes to estimate the birth weights of infants. How large a sample must be obtained if he desires to be 95% confident that the true mean is within 3 ounces of the sample mean? Assume that the standard deviation of the population is 5 ounces. None of these answers 11 15 10

MATLAB: An Introduction with Applications
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A health care professional wishes to estimate the birth weights of infants.
How large a sample must be obtained if he desires to be 95% confident
that the true mean is within 3 ounces of the sample mean? Assume that
the standard deviation of the population is 5 ounces.
O None of these answers
O 11
15
O 10
Transcribed Image Text:A health care professional wishes to estimate the birth weights of infants. How large a sample must be obtained if he desires to be 95% confident that the true mean is within 3 ounces of the sample mean? Assume that the standard deviation of the population is 5 ounces. O None of these answers O 11 15 O 10
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