1.	What percent answered yes to the survey question?
		A.	about 34%	B.	about 66%
		C.	about 31%	D.	about 69%
		Hint
	2.	What percent of those surveyed chose jazz as their favorite music?
		A.	about 28%	B.	about 11%
		C.	about 36%	D.	about 26%
		Hint
	3.	The eighth grade class of 225 students is planning an ice cream social. If the director of the ice cream social knows that 7 out of 10 students prefer vanilla, how many students should be expected to eat vanilla ice cream?
		A.	about 113	B.	about 158
		C.	about 169	D.	about 68
		Hint
	4.	To determine what people think about the construction of a new school, the school board asks citizens to call a certain number and express their opinions. Describe the sample used by the school board.
		A.	The sample is biased because it is a voluntary response sample.
		B.	The sample is unbiased because it is a systematic random sample.
		C.	The sample is unbiased because it is a simple random sample.
		D.	The sample is biased because it is a convenience sample.
		Hint
	5.	To determine who the voters will chose for governor, five voters picked at random from each county of the state are surveyed. Describe the sample.
		A.	The sample is unbiased because it is a systematic random sample.
		B.	The sample is biased because it is a convenience sample.
		C.	The sample is unbiased because it is a stratified random sample.
		D.	The sample is unbiased because it is a simple random sample.
		Hint