Given a normal distribution with u = 103 and o = 15, and given you select a sample of n=9, complete parts (a) through (d). a. What is the probability that is less than 90?
Plă <90) = 0
(Type an integer or decimal rounded to four decimal places as needed.)
b. What is the probability that X is between 90 and 91.5?
P(90 (Type an integer or decimal rounded to four decimal places as needed.)
c. What is the probability that is above 104?
PÃ > 104) =
(Type an integer or decimal rounded to four decimal places as needed.)
d. There is a 65% chance that is above what value?
(Type an integer or decimal rounded to two decimal places as needed.)