1. Find the area under the standard normal curve to the right of z=1.56. Round your answer to four decimal places, if necessary.

2. The diameters of ball bearings are distributed normally. The mean diameter is 135 millimeters and the variance is 9. Find the probability that the diameter of a selected bearing is greater than 130 millimeters. Round your answer to four decimal places.

3. Find the area under the standard normal curve to the right of z=2.28. Round your answer to four decimal places, if necessary.

4. Given X=64.3, =63.1, and =3.8, indicate on the curve where the given X value would be.

5. The diameters of ball bearings are distributed normally. The mean diameter is 96 millimeters and the standard deviation is 6 millimeters. Find the probability that the diameter of a selected bearing is greater than 105 millimeters. Round your answer to four decimal places.