A random variable is normally distributed with a mean of 25 and a standard deviation of 5.

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A random variable is normally distributed with a mean of 25 and a standard deviation of 5. If an observation is randomly selected from the distribution,

a. What value will be exceeded 10% of the time?

b. What value will be exceeded 85% of the time?

c. Determine two values of which the smaller has 25%

of the values below it and the larger has 25% of the values above it.

d. What value will 15% of the observations be below?

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Business Statistics

ISBN: 9781292220383

10th Global Edition

Authors: David Groebner, Patrick Shannon, Phillip Fry

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