A peokssor at a becal community coliege noted that the grades of his stusents were normally ilatributed with a mean of 72 and a standard deviatien of 10 . The profestor has informed on that 7.5 percent of his students recelved A's while only 2.25 percent of his students faled the course and received F's. (Fou may teed to use the approprabe appendic table or technolsgy to atumer this question.) (a) What is the minimum score needed to myke an A3 (fiound your answer to oes decimal place) (b) What is the mavimum score ameng those who recelved an F ( (Asese pour ahineer to one eseimai place.) (c) If thene were 3 stvents wha did not pass the course, how many students teok the courne? (Hlound pore arswer te the rearest integen).

1. A peokssor at a becal community coliege noted that the grades of his stusents were normally
ilatributed with a mean of 72 and a standard deviatien of 10 . The profestor has informed on that
7.5 percent of his students recelved A's while only 2.25 percent of his students faled the course
and received F's. (Fou may teed to use the approprabe appendic table or technolsgy to atumer
this question.) (a) What is the minimum score needed to myke an A3 (fiound your answer to oes
decimal place) (b) What is the mavimum score ameng those who recelved an F ( (Asese pour
ahineer to one eseimai place.) (c) If thene were 3 stvents wha did not pass the course, how many
students teok the courne? (Hlound pore arswer te the rearest integen)