Mark borrows $15,000 to buy a new car. His loan has an annual interest rate of 6.5%, compounded monthly, and his monthly payment is $293.49. How much will he have paid in interest when he has finished repaying his loan in 60 months?

A local university is considering changes to its class structure in an effort to increase professor productivity

The old schedule had each professor teaching 5 classes per week, with each class meeting an hour per day on Monday, Wednesday, and Friday. Each class contained 20 students. The new schedule has each professor teaching only 3 classes, but each class meets daily (Mon.-Fri.) for an hour. New classes contain 50 students. a. Calculate the labor productivity for the initial situation (students/hour). b. Calculate the labor productivity for the schedule change (students/hour). c. Are there any ethical considerations that should be accounted for? d. Suppose that each teacher also is required to have 2 hours of Office Hours each day he/she taught class. Is the schedule change a productivity increase?

Nearly 100% of the observed occurrences of a random variable x that is normally distributed will

fall within three standard deviations of the mean of the distribution of x. A) True B) False