Given a normal distribution with mu equals 100 and sigma equals 10 comma complete parts (a) through (d).

cumulative standardized normal distribution table.

a. What is the probability that Upper X greater than 80?

The probability that Upper X greater than 80 is

nothing.

(Round to four decimal places as needed.)

b. What is the probability that Upper X less than 95?

The probability that Upper X less than 95 is

nothing.

(Round to four decimal places as needed.)

c. What is the probability that Upper X less than 85 or Upper X greater than 110?

The probability that Upper X less than 85 or Upper X greater than 110 is

.

(Round to four decimal places as needed.)

d. 80% of the values are between what two X-values (symmetrically distributed around the mean)?

80% of the values are greater than

and less than

(Round to two decimal places as needed.)