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Assume that the heights of 30,000 male students at a university are normally distributed with a mean of 68.0 inches and a standard deviation of
Assume that the heights of 30,000 male students at a university are normally distributed with a mean of 68.0 inches and a standard deviation of 3.0 inches. A random sample of 35 students is taken and the mean is calculated . What is the probability that this mean value will be between 66.8 inches and 68.8 inches? Round your z- scores to 2 decimal places during your calculations, then Round probability answers to 3 decimal places
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Systems analysis and design
Authors: Alan Dennis, Barbara Haley Wixom, Roberta m. Roth
5th edition
978-1118057629, 1118057627, 978-111880817
