Find the Value of a Normal Random Variable

Multiple Choice

Find the Value of a Normal Random Variable
-A physical fitness association is including the mile run in its secondary-school fitness test. The time for this event for boys in secondary school is known to possess a normal distribution with a mean of 440 seconds and a standard deviation of 60 seconds. Between what times do we expect most (approximately 95%) of the boys to run the mile

A) between 322.4 and 557.6 sec
B) between 341.3 and 538.736 sec
C) between 345 and 535 sec
D) between 0 and 538.736 sec