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A normal population has a mean of 69 and a standard deviation of 7. You select a sample of 54. Compute the probability the sample

A normal population has a mean of 69 and a standard deviation of 7. You select a sample of 54.

Compute the probability the sample mean is(Round z values to 2 decimal places and final answers to 4 decimal places):

a.	Less than 68.

Probability

b.	Between 68 and 70.

Probability

c.	Between 70 and 71.

Probability

d.	Greater than 71.

Probability

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