1) Let Z be the standard normal random variable. Find Pr[Z<1.29].

A.0.0968

B.0.0823

C.0.0985

D.0.1151

E.0.1170

2) Suppose that X is a normal random variable with a standard deviation of =12. If we know that Pr[X>5]=Pr[Z>1.25], where Z is the standard normal random variable, determine the mean of X.

A.170

B.25

C.15

D.25

E.10