1.
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 members of the after-school art club
B.
asking your 3 best friends
C.
asking the winners of the school science fair
D.
asking 4 students from each homeroom class
Hint
2.
Meng conducted a survey to determine the favorite flavor of ice cream in his hometown. Fifteen of the fifty people he surveyed liked strawberry best. How many of the 3,500 residents in the town would you expect to like strawberry best?
A.
560
B.
750
C.
1,050
D.
150
Hint
3.
Rosa conducted a survey of students' favorite types of music. The results are shown in the table. Of the 550 students in the whole school, how many would you expect to prefer Pop/Rock?
A.
264
B.
154
C.
132
D.
396
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 red balls in the bag.
A.
1
B.
9
C.
3
D.
5
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 white balls in the bag.
A.
6
B.
1
C.
3
D.
7
Hint