1) Two events cannot be both independent and mutually exclusive. T or F
2) The probability that Event A and Event B will occur refers to the union of Event A and Event B. T or F
3) Mathematically, it is impossible for P(a and b)> P(a). T or F
4) The probability of the inersection of two events is known as a (pick one: simple, prior, joint, marginal) probability.
5) The (pick one: addition, intersection, union, complement) of Evetns A and B represents the number of instances in which both Events A and B occur at the same time.
6) If a customer at a particular grocery store uses coupons, there is a 50% probability that the customer will pay with a debit card. 30% of customers use coupons and 35% of customers pay with debit cards. Given that a customer pays with a debit card, what is the probabily that the same cusotmer uses coupons? (pick one: .72, .60, .22, .43)
7) A wholse sale store sells a matching set of T-shirts and Shorts. The T-Shirt comes in four colors and six sizes. The shors come in three collors and five sizes. What is the number of unique color and size combinatins of T-shirts and shorts? (pick one: 625, 500, 360, 425)