Saved Help Save & Exit 9 - Quiz 3 (Week 9) i 6 A normal population has a mean of 84 and a standard deviation of 7. You select a sample of 40. Use Appendix B.1 for the z-values. Compute the probability that the sample mean is: (Round the z-values to 2 decimal places and the final answers to 4 decimal places.) 01:20-15 a. Less than 82. Probability b. Between 82 and 86. Probability c. Between 86 and 87 Probability d. Greater than 87. Probability Mc Graw Hill O