macohen6325 macohen6325

24-05-2023
Mathematics

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The height of adult males in a particular city is normally distributed, with mean 69.5 in. and standard deviation 2.65 in.
When a random sample is taken of size 81, find (1) the standard error of Xbar
SE=
(2) the probability that Xbar falls within .5 in. of the true mean
Probability=

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