Suppose that the mean cranial capacity for men is 1120 cc

Last updated: 7/10/2022

Suppose that the mean cranial capacity for men is 1120 cc (cubic centimeters) and that the standard deviation is 300 cc. Assuming that men's cranial capacities are normally distributed, complete the following statements. (a) Approximately of men have cranial capacities between 820 cc and 1420 cc. (b) Approximately 95% of men have cranial capacities between cc and cc.