Z score and area under normal curve

Question

for a normally distributed set of data find the area of the normal curve for the region between z scores of 0.74 and 1.62

Answer 1

Obtain a z-score table

http://www.stat.ufl.edu/~athienit/Tables/Ztable.pdf

 

z of 0.74 is 0.7704

z 0f 1.62 is 0.9474

 

What is the difference?