1.	What percent of those surveyed chose jazz as their favorite music?
		A.	about 26%	B.	about 36%
		C.	about 28%	D.	about 11%
		Hint
	2.	Roberto wants to take a survey on favorite foods. Which sample would give the most appropriate results?
		A.	A poll of 30 customers at a pizza restaurant.
		B.	A poll of 30 customers at a fast food restaurant.
		C.	A poll of 30 customers at a steak house.
		D.	A random telephone poll of 30 people.
		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 68	B.	about 158
		C.	about 113	D.	about 169
		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.	195	B.	455
		C.	180	D.	420
		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 simple random sample.
		D.	The sample is unbiased because it is a stratified random sample.
		Hint