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anonymous

  • one year ago

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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  1. anonymous
    • one year ago
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    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?

  2. anonymous
    • one year ago
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    kind of but the answer are 0.28 0.49 0.71 0.92

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