1. According to Adversiting Age, the average base salary of women who work as advertisers is higher than the average base salary of men. The median base salary for women is $ 67,000 and the median base salary for men is $ 65,500. Assume that wages are normally distributed with a standard deviation of $ 7,000 for both men and women.

a. What is the probability that a woman will have a salary greater than $ 75,000?

b. That a man has a salary greater than $ 75,000?

c. That a woman has a salary greater than $ 50,000?