1.
A marketing company is conducting a survey to determine America's most popular professional football team. Where would they be most likely to obtain a random sample?
A.
in front of the White House
B.
at a Cleveland Browns game
C.
by calling people from around the country on the telephone
D.
Chicago's O'Hare Airport
Hint
2.
Suppose you want to determine the favorite food of students in your school. Which would
not
provide a random sample?
A.
surveying three students from each homeroom class
B.
surveying every tenth student on the school roster
C.
surveying every fifth student to enter the school in the morning
D.
surveying customers at a nearby hamburger stand
Hint
3.
Callie conducted a survey to determine students' favorite color. Of the students she surveyed, 18 out of 48 preferred blue. If there are 600 students in her school, how many would you expect to prefer blue?
A.
240
B.
225
C.
320
D.
200
Hint
4.
Taylor and Isabel played a game with red, blue, white, and green balls. They had a bag with 10 balls. They took 4 samples of 4 balls at a time.
Sample 1: RRBB
Sample 2: BGRR
Sample 3: RWRB
Sample 4: RGBW
Find the best estimate of the number of white balls in the bag.
A.
7
B.
3
C.
1
D.
6
Hint
5.
Taylor and Isabel played a game with red, blue, white, and green balls. They had a bag with 10 balls. They took 4 samples of 4 balls at a time.
Sample 1: RRBB
Sample 2: BGRR
Sample 3: RWRB
Sample 4: RGBW
Find the best estimate of the number of blue balls in the bag.
A.
0
B.
8
C.
3
D.
6
Hint