(Answered) A normal population has a mean of 200 and a standard

Statistics

A normal population has a mean of 20.0 and a standard deviation of 4.0.

(a) Compute the z value associated with 24.0. (Round your answer to 2 decimal places.) z

(b) What proportion of the population is between 20.0 and 24.0? (Round z-score computation to 2 decimal places and your final answer to 4 decimal places.)

Proportion

(c) What proportion of the population is less than 15.0? (Round z-score computation to 2 decimal places and your final answer to 4 decimal places.)

Proportion

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