A of 14 -13 View Policies Current Attempt in Progress The mean of a population is 76 and the standard deviation is 15. The shape of the population is unknown. Determine the probability of each of the following occurring from this population. Appendix A Statistical Tables a. A random sample of size 34 yielding a sample mean of 79 or more b. A random sample of size 130 yielding a sample mean of between 73 and 77 c. A random sample of size 221 yielding a sample mean of less than 76.7 (Round all the values of z to 2 decimal places, eg. 15.25 and final answers to 4 decimal places, es. 0.2513) a. Qu b. View 12 Accoun C. Attempts: 0 of 1 used Questi Alip Submit Answer Save for Later Questi Accounting