9. Weight of Grapefruit is normally distributed with a mean weight of 16 Ounces and a standard deviation of 4 Ounces.

Estimate the Probability of Grapefruit in an grower's orchard for the following:

P( X < 18 Ounces)

P ( 12 Ounces < X < 20 Ounces)

P ( X > 18 Ounces)

P ( X < 16 Ounces

What is the median?

Sample mean of five Grapefruit weighs 15 Ounces.

Standard error of the Sample mean:

Sampling error is around:

Sampling five Grapefruits, what is the Probability of Grapefruits weighing more than 15 Ounces?