X is normally distributed with the mean 12 and standard deviation 4.
(a) Determine the probability that X will be more than 10.
(b) Determine the probability that X will be less than 13.5
(c) Determine the probability that X will be between 10 and 14.5
(d) Determine a such that P(X
(e) Determine b such that P(X> b)=.25