1.	What percent answered yes to the survey question?
		A.	about 34%	B.	about 31%
		C.	about 66%	D.	about 69%
		Hint
	2.	Using the results of the survey, out of 9,000 customers how many should the manager expect to visit late on weekends?
		A.	6,210	B.	2,790
		C.	3,060	D.	5,940
		Hint
	3.	What percent of those surveyed chose jazz as their favorite music?
		A.	about 36%	B.	about 26%
		C.	about 11%	D.	about 28%
		Hint
	4.	The workers in the school cafeteria know that 35 out of 50 students prefer chocolate milk to white milk. If 650 students will be purchasing milk, how many servings of white milk should the cafeteria workers expect to sell?
		A.	420	B.	455
		C.	180	D.	195
		Hint
	5.	To determine what students want served in the cafeteria, the cook asks students in Ms. Andrew’s first period class. Describe the sample used by the cook.
		A.	The sample is biased because it is a convenience sample.
		B.	The sample is unbiased because it is a convenience sample.
		C.	The sample is unbiased because it is voluntary response sample.
		D.	The sample is biased because it is a voluntary response sample.
		Hint