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.
Chicago's O'Hare Airport
B.
at a Cleveland Browns game
C.
by calling people from around the country on the telephone
D.
in front of the White House
Hint
2.
Suppose you are conducting a survey to determine whether the students in your school would prefer to go to the science museum or the art museum for the school field trip. Which method would produce a random sample?
A.
asking the winners of the school science fair
B.
asking your 3 best friends
C.
asking the members of the after-school art club
D.
asking 4 students from each homeroom class
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.
225
B.
320
C.
200
D.
240
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 blue balls in the bag.
A.
6
B.
0
C.
8
D.
3
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 green balls in the bag.
A.
6
B.
1
C.
3
D.
9
Hint