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OpenStudy (anonymous):
A bag contains 45 marbles of various colors. Jon draws 60 times, each time replacing the marble before drawing again. He gets a total of 12 blue marbles. Which is best prediction of how many blue marbles are in the bag? A. 5 B. 9 C. 12 D. 15
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OpenStudy (anonymous):
please help! I dont get it!
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