what proportion of a normaql distribution is located between each of the following z- score boundaries?

Question

a. z= -0.50 and z = +0.50
b. z= - 0.90 and z= +0.90
c. z= -1.50 and z= +1.50

How will I know the question has been answered

Answer 1

Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportions between these Z scores.

Answer 2

imsu