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OpenStudy (anonymous):
In a random sample of 30 sixth graders, 9 had traveled outside of the United States. There are a total of 120 sixth graders in the school. Predict how many students have traveled outside of the United States. A:28 B:36 C:45
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OpenStudy (anonymous):
@amistre64
OpenStudy (anonymous):
The answer is B, because the sample is reduced to 1/4 of the actual value so you just have to multiply 9 times 4 to get your answer. @thunder44554431
OpenStudy (anonymous):
Thank you @Anwar786
OpenStudy (anonymous):
your welcome@thunder44554431
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