1) Find the area between z= 1.5 and z= 2.8.
2) Find the area between z= -2.1 and z=1.5.
3) Find the area to the left of z= 2.3 and the area to the right of 2.3.
4) What z-score bounds middle 95 % of the normal distribution?
5) What z-score is associated with 75th percentile?
Attachment:- Normal-distribution.jpg