a.How many cards must be selected from a standard deck of 52 cards to guarantee that at least 5 cards of the same suit are chosen? b. To make a non-vegetarian fajita at Lopez's Grill, you must choose between a flour or corn tortilla. You must then choose one type of meat from 4 types offered. You can then add any combination of extras (including no extras). The extras offered are fajita vegetables, beans, salsa, guacamole, sour cream, cheese and lettuce. How many different fajitas can you make? c. A bag contains 20 tennis balls, of which four are defective. If two balls are selected at random from the bag, what is the probability that both are defective? d.You buy one $20 raffle ticket for a vacation package valued at $30,000. Three thousand tickets are sold. What is the expected value of your gain/loss