1)

(a)Find az₀such thatP(z>z₀) =0.9207. (Round your answer to two decimal places.)

z₀=

(b)Find az₀such thatP(z>z₀) =0.2578.(Round your answer to two decimal places.)

z₀=

2) Find az₀such thatP(z>z₀) =0.0344. (Round your answer to two decimal places.)

z₀=

(b) Find az₀such thatP(z<z₀) =0.8888. (Round your answer to two decimal places.)

z₀=

3) Consider a standard normal random variable with= 0and standard deviation=1.(Round your answers to four decimal places.

(a)P(z>1.12) =

(b) P(z<1.82) =