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A normal population has a mean of 84.0 and a standard deviation of 9.0. Refer tothe table inAppendix B.1. (Round z-score computation to 2 decimal

A normal population has a mean of 84.0 and a standard deviation of 9.0. Refer tothe table inAppendix B.1.(Round z-score computation to 2 decimal places and the final answer to 4 decimal places.)

a.Compute the probability of a value between 75.0 and 109.0.

Probability

b.Compute the probability of a value 75.0 or less.

Probability

c.Compute the probability of a value between 60.0 and 68.0.

Probability

Please help me with this question.

Thanks!

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