A Certain University Maintains a Colony of Male Mice for Research

Multiple Choice

A certain university maintains a colony of male mice for research purposes. The ages of the mice are normally distributed with a mean of 60 days and a standard deviation of 5.2. Assume you randomly sample one mouse from the colony. The probability his age will be greater than 68 is _________.

A) 0.4382
B) 0.0618
C) 0.9382
D) 0.0630