Question

A company makes all of its employees take a leadership test. The scores on the test for this population of employees are normally distributed with a mean of 145 and a standard deviation of 20.

(a) What is the probability that a single employee will have a leadership score between 125 and 160?

(b) What is the probability that an employee will have a leadership score of 128 or less?

(c) What leadership score corresponds to an employee being atop 67% of the population?

Answer 1