Random Sampling Quick Check
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Question
There are 528 students in Pablo’s high school. Pablo surveys 130 randomly chosen students about their favorite ice cream flavor. The results are as follows.
Ice cream flavor Number of students/Frequency
Strawberry 29
Butter Pecan 31
Chocolate 43
Orange Sherbet 10
Vanilla 17
Based on Pablo’s sample data, approximately how many students in the school prefer orange sherbet?
(1 point)
Responses
45
45
110
110
41
41
195
195
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The answer is 41.
This is because the percentage of students who prefer Orange Sherbet in the sample (10/130) is approximately the same as the percentage of students who would prefer Orange Sherbet in the entire school (x/528).
By solving for x, we get x = (10/130) * 528 = 41 students.