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A normal population has a mean of 21 and a standard deviation of 5. a. Compute the z value associated with 24. (Round your answer
| A normal population has a mean of 21 and a standard deviation of 5. |
| a. | Compute the z value associated with 24. (Round your answer to 2 decimal places.) |
| Z |
| b. | What proportion of the population is between 21 and 24? (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 18? (Round z-score computation to 2 decimal places and your final answer to 4 decimal places.) |
| Proportion |
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