Determine the following standard normal (z) curve areas:
a. The area under the z curve to the left of 1.75
b. The area under the z curve to the left of 20.68
c. The area under the z curve to the right of 1.20
d. The area under the z curve to the right of 22.82
e. The area under the z curve between 22.22 and 0.53
f. The area under the z curve between 21 and 1
g. The area under the z curve between 24 and 4