Mail 6 - Quiz 2 (Week 6) i Saved He A normal population has a mean of 18.3 and a standard deviation of 5. Refer to the table in Appendix B.1. 12 a. Compute the z-value associated with 25.0. (Round the final answer to 2 decimal places.) Z= 8 01:39:53 b. What proportion of the population is between 18.3 and 25.0? (Round z-score computation to 2 decimal places and the fin answer to 4 decimal places.) Proportion c. What proportion of the population is less than 18.0? (Round z-score computation to 2 decimal places and the final answer decimal places.) Proportion