A set of final examination grades in an introductory statistics course is normallydistributed, with a mean of 78 and a standard deviation of 8. Complete parts(a) through(d).

.a. What is the probability that a student scored below 93 on thisexam?

The probability that a student scored below 93 is 0.9699

0.9699.

(Round to four decimal places asneeded.)

b. What is the probability that a student scored between 70 and 97?

The probability that a student scored between 70 and 97 is?

.

(Round to four decimal places asneeded.)