1.	Find the mean of the set {14, 16, 23, 9, 13, 31, 12, 28}.
		A.	19	B.	18.25
		C.	16.5	D.	15
		Hint
	2.	The machine that fills gallon milk jugs at a dairy dispenses the milk in amounts that are normally distributed with a standard deviation of 0.002 gallon. What percent of the jugs will get between 0.998 and 1.002 gallons of milk?
		A.	95%	B.	100%
		C.	68%	D.	99%
		Hint
	3.	Which tree diagram shows all the possible results of buying volleyball shoes V, running shoes R, and dress shoes D if each type of shoe comes in black, navy, and red.
		A.		B.
		C.		D.
		Hint
	4.	Find
		A.	665,280	B.	1,320,000
		C.	720,000	D.	332,640
		Hint
	5.	Evaluate C(5, 3).
		A.	40	B.	20
		C.	10	D.	30
		Hint
	6.	A bag contains 7 blue marbles, 8 green marbles, 15 red marbles, and 10 yellow marbles. Find the probability of randomly drawing without replacement, a blue marble and then a red.
		A.	or about 0.0673	B.	or about 0.0438
		C.	or about 0.0656	D.	or about 0.2273
		Hint
	7.	Find the probability of rolling two number cubes and getting a 2 on one number cube and a 6 on the other?
		A.		B.
		C.		D.
		Hint
	8.	Susan forgot to study for her economics quiz. She guessed on all five true/false questions. Does this situation represent a binomial experiment?
		A.	Yes, because the trials are selected at random.	B.	Yes, because each trial has exactly two outcomes; the probability of each trial is ; there are five trials and these are independent.
		C.	Yes, because the answer is right or wrong.	D.	Yes, because the questions are dependent and mutually inclusive.
		Hint
	9.	Which of the following is an example of a dependent event?
		A.	tossing a coin	B.	entering a digit of a telephone number
		C.	picking a numbered ball in a lottery	D.	rolling a die
		Hint
	10.	Elizabeth has 12 female friends and 10 male friends. If she is having an eight-person party, what is the probability that there will be 5 girls and 3 boys, if she chooses people at random?
		A.	0.149	B.	0.297
		C.	0.152	D.	0.594
		Hint
	11.	According to NFL statistics, the Cincinnati Bengals will lose 13 out of 16 games, regardless of opponent. What are the odds of Cincinnati losing a game?
		A.	13:16	B.	3:13
		C.	13:3	D.	16:13
		Hint
	12.	An office of 30 people is having a 10-person meeting, with the participants being chosen at random. If the department is comprised of 22 women and 8 men, what is the probability that at most 2 men are selected?
		A.	0.548	B.	0.274
		C.	0.226	D.	0.452
		Hint
	13.	In a survey of 100 people, 65 liked the color blue, and 45 liked the color green. If 20 people disliked both green and blue, how many people liked both?
		A.	65	B.	10
		C.	15	D.	30
		Hint
	14.	Baseball players are trying to show that they deserve more money. Their owner is paying 10 of them $1 million, 8 of them $2 million, and 3 of them $15 million. To support their case, which measure of central tendency should they use?
		A.	median	B.	mode
		C.	standard deviation	D.	mean
		Hint
	15.	Suppose that the mean is 50. How many standard deviations away is the value 65?
		A.	cannot be determined from given information	B.	about 1 standard deviation
		C.	about 2 standard deviations	D.	within 1 standard deviation
		Hint
	16.	How many ways are there to correctly answer 2 out of 7 true-or-false questions?
		A.	2	B.	2520
		C.	21	D.	42
		Hint
	17.	In order to determine what American people like to do, a group of 100 random American men were asked what their hobbies were. Is this a random sample? If not, why is it not?
		A.	yes	B.	no, because no women are included
		C.	no, because it only includes Americans	D.	no, because it is based on opinion
		Hint
	18.	In a recent poll, 56 out of 140 people said no. What is the margin of error?
		A.	about 4%	B.	about 5%
		C.	about 9%	D.	about 8%
		Hint