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OpenStudy (anonymous):
A bag contains two red balls and five blue balls. You draw out a ball, record its color, replace it, and then draw out a second ball. What is the probability that you draw out a red ball AT LEAST once?
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OpenStudy (anonymous):
So, in a fraction, what are the odds you'll pull out a red ball if you just take one? It would be 2/7, right? Does that make sense?
OpenStudy (anonymous):
kind of but the answer are 0.28 0.49 0.71 0.92
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