Given a normal distribution with μ=100 and σ=10
a. What is the probability that X>95??
?(Round four decimal places.)
b. What is the probability that X<90??
(four decimal places as? needed.)
c. What is the probability that X<80 or X>105??
?(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 ?
?(two decimal places as? needed.)