There are three random variables: X~ Normal with mean 60 and Standard Deviation = 35 Z~ Normal Standard W ~ t(18)gl Calculate the following in R: 1) P(X>66) = 2) Find "A ", such that: P(X Then A = 3) P(Z>-1.54) = 4) Find "B", such that: P(W>B) = 0.25 ==> So B=