Find the area under the standard normal distribution curve to the left of z = 2.09.

Find the area under the standard normal distribution curve to the right of z = -1.14.

Find the area under the standard normal distribution curve between z = -1.62 and z = 1.35.

Find the probability for each.

1. P(0 < z < 2.53) 2. P(z < 1.73) 3. P(z > 1.98)

Find the z value such that the area under the standard normal distribution curve between 0 and the z value is 0.2123. (Sol: 0.56).

## Extra Practice Set

Find the area under the curve:

Between z = 0 and z = 0.98

Between z = 1.23 and z = 1.90

To the left of z = -2.15 and to the right of z = 1.62

P(-0.20 < z < 1.56)

Find the z value to the right of the mean so that 69.85% of the area under the distribution curve lies to the left of it.

Find two z values so that 48% of the middle area is bounded by them.

Find P(-1 < z < 1), P(-2 < z < 2), and P(-3 < z <3).