A normal population has a mean of 12.2 and a standard deviation of 2.5.

a. Compute the z value associated with 14.3.

b. What proportion of the population is between 12.2 and 14.3?

c. What proportion of the population is less than 10.0?

A normal population has a mean of 12.2 and a standard deviation of 2.5.

a. Compute the z value associated with 14.3.

b. What proportion of the population is between 12.2 and 14.3?

c. What proportion of the population is less than 10.0?