The random variable x has a normal distribution with m = 1,000 and s = 10. a.

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The random variable x has a normal distribution with m = 1,000 and s = 10.

a. Find the probability that x assumes a value more than 2 standard deviations from its mean. More than 3 standard deviations from m.

b. Find the probability that x assumes a value within 1 standard deviation of its mean. Within 2 standard deviations of m.

c. Find the value of x that represents the 80th percentile of this distribution. The 10th percentile.

c. z = 0 and z =

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Statistics For Business And Economics

ISBN: 9781292413396

14th Global Edition

Authors: James McClave, P. Benson, Terry Sincich

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