the members of the newest recruiting class of an organization are taking a physical test, and those who score in thw bottom 16% will have to retest. If the scores are normally distribuited and have a mean of 72, what is the score at or below wich the recruits will have to retesr?
A) there are 500 recruits in the class
B) 10 recruits scored 82 or higher

Answer is c.