You may use a calculator on this quiz. You may not use a cell phone or computer. If you wish partial credit for incorrect answers, please show your work carefully and give justifications for your answers. If you find that you are spending a lot of time on one problem, leave it blank and move on to the next. There are questions on both sides of this quiz paper.

- (15 points) "The probability of getting a 7 when you roll two
dice is 1/6." Was this probability determined by the classical
method, relative frequency method, or subjective method? Write a
sentence explaining your answer.
- (25 points) Give an example of two independent events.
Write a sentence explaining why the events are independent.
- (15 points) Write the formula for the Addition Law.
- Shown below is part of a joint probability table describing the
performance of two telemarketers.
Made a sale Didn't sell Sean 5% 40% Pat 8% 47% c) (25 points) Are the events "A sale was made" and "Sean placed the call" independent or dependent? Explain your answer.