Letzdenote a random variable that has a standard normal distribution. Determine each of the probabilities below. (Round your answers to four decimal places.)

(a)

P(z<2.35) =

(b)

P(z2.35) =

(c)

P(z<1.22) =

(d)

P(1.15<z<3.37) =

Letzdenote a random variable having a normal distribution with= 0 and= 1. Determine each of the following probabilities. (Round your answers to four decimal places.)

(a)

P(z<0.30) =

(b)

P(z<0.30) =

(c)

P(0.50<z<0.84) =