eBook Hint Print References Exercise 7-13 (LO7-3) A normal population has a mean of 21 and a standard deviation of 6. Use Appendix B.3. a. Compute the z value associated with 24. (Round your answer to 2 decimal places.) 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 17? (Round -score computation to 2 decimal places and your final answer to 4 11 Next >