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OpenStudy (anonymous):
Ben takes a random sample of 25 students in his seventh-grade class and finds that 85% of the sample prefers math over science. There are 150 students in the seventh grade. Based on the sample proportion, about how many students in the seventh grade would be expected to prefer math over science?
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OpenStudy (anonymous):
anyone?????????
OpenStudy (kropot72):
Multiply 150 by 0.85 (the sample proportion). Then found the result to give an integer.
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