A and C are correct.
B is close, but your addition is wrong.
Z = -1.81 = .4649
Z = +2.03 = .4788
8 + 9 = ?
Consider the following. (Give your answers correct to four decimal places.)
(a) Find P(0.00 < z < 2.13). =.4834
(b) Find P(-1.81 < z < 2.03).=.9436
(c) Find P(z > 0.23). =.4090
1 answer