The Chief Risk Officer at JP Manzan Bank has calculated that the bank's portfolio return's profit/loss (denoted by R) is normally distributed with mean -0.27 and standard deviation1.65.

Calculate:

(1) P(R < 1.89) = _________

(2) P(|R| > 1.6 ) = _____________

(3) P(-2.47 < R < 1.49) = ___________

(4) P(R > _________ ) = 0.966