If you were as salesperson selling crm software, during the preapproach phase you would try to find out as much as possible about your customer's wants and needs by asking questions such as.

On a test the graders have a mean of 77 and a standard deviation of 8. if we can approximate the distribution of these graders by a number distribution what percent of the students. a) scores higher than 77? b) should pass the test (grades > 60)? c) should fail the test (grades < 60)?