Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportions between these Z scores.
None of those alternatives are exactly correct, but one is close and it's not your answer.
Between z = -2 and z = 0.4.
(Points: 5)
0.655
0.977
0.477
0.155
0.633
my answer was o.155 is this correct
2 answers
my answer is 0.633 is this correct , it not exact but closer