Suppose that a random sample of 17 adult U.S. males has a mean height of 69 inches with a standard deviation of 2 inches. If we assume that the heights of adult males in the U.S. are normally distributed, find a 90% confidence interval for the mean height of all U.S. males. Then find the lower limit and upper limit of the 90% confidence interval. Carry your intermediate computations to at least three decimal places. Round your answers to one decimal place. (If necessary, consult a list of formulas.) Lower limit: 0 Upper limit: 0

MATLAB: An Introduction with Applications
6th Edition
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Author:Amos Gilat
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Suppose that a random sample of 17 adult U.S. males has a mean height
of 69 inches with a standard deviation of 2 inches. If we assume that the
heights of adult males in the U.S. are normally distributed, find a 90%
confidence interval for the mean height of all U.S. males. Then find the
lower limit and upper limit of the 90% confidence interval.
Carry your intermediate computations to at least three decimal places.
Round your answers to one decimal place. (If necessary, consult a list of
formulas.)
Lower limit: D
Upper limit: 0
?
Transcribed Image Text:Suppose that a random sample of 17 adult U.S. males has a mean height of 69 inches with a standard deviation of 2 inches. If we assume that the heights of adult males in the U.S. are normally distributed, find a 90% confidence interval for the mean height of all U.S. males. Then find the lower limit and upper limit of the 90% confidence interval. Carry your intermediate computations to at least three decimal places. Round your answers to one decimal place. (If necessary, consult a list of formulas.) Lower limit: D Upper limit: 0 ?
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