Given a normal distribution with =100 and =10

a. What is the probability that X>95?

(Round four decimal places.)

b. What is the probability that X<90?

(four decimal places asneeded.)

c. What is the probability that X<80 or X>105?

(four decimal places asneeded.)

d. 80% of the values are between what twoX-values (symmetrically distributed around themean)?

80% of the values are greater than ? and less than ?

( two decimal places asneeded.)