MATH 302 Quiz 2 with Answers Set 1 (VERIFIED)

1) Sue has 10 pictures but only has space in her apartment to hang 4 of them on a wall. The number of different arrangements of four pictures from a selection of ten pictures is: 2) If 25 tickets are sold and 2 prizes are to be awarded, find the probability that one person will win both prizes if that person buys exactly 2 tickets. 3) A furniture manufacturer offers bookcases in 5 different sizes and 3 different colors. If every color is available in every size, then the total number of different bookcases is 4) A gumball machine contains 300 grape flavored balls, 400 cherry flavored balls, and 500 lemon flavored balls. What is the probability of getting 1 grape ball, 1 cherry ball, and 1 lemon ball if each ball was removed and then replaced before choosing the next from the machine? 5) What is the probability of drawing two queens in a row from a standard deck of cards without replacement? 6) The variance of a binomial distribution for which n = 100 and p = 0.20 is: 7) A discrete probability distribution: DOWNLOAD FOR MORE DETAILED ANSWERS