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OpenStudy (yinshy):
Three out of 200 machine parts were found to be defective. About how many parts would be expected to be defective out of 2500 parts? A. 15 B. 30 C. 38 D. 67
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Directrix (directrix):
Expect 3/200 times 2500 to be defective. What does that equal?
Directrix (directrix):
What did you get?
OpenStudy (yinshy):
38
OpenStudy (yinshy):
@Directrix
Directrix (directrix):
I had 37.5. That rounds to 38.
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