A normal population has a mean of 80.0 and a standard deviation of 14.0. a. Compute the

Chapter 0, Problem 18

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QUESTION:

A normal population has a mean of 80.0 and a standard deviation of 14.0. a. Compute the probability of a value between 75.0 and 90.0. b. Compute the probability of a value 75.0 or less. c. Compute the probability of a value between 55.0 and 70.0.

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QUESTION:

A normal population has a mean of 80.0 and a standard deviation of 14.0. a. Compute the probability of a value between 75.0 and 90.0. b. Compute the probability of a value 75.0 or less. c. Compute the probability of a value between 55.0 and 70.0.

ANSWER:

Step 1 of 4

Mean of the normal distribution is  and the standard deviation is

Let  be the random variable.

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