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MMLU / A bag has 4 red and 6 blue marbles. A marble is selected and not replaced, then…

Problem

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question

A bag has 4 red and 6 blue marbles. A marble is selected and not replaced, then a second is selected. What is the probability that both are the same color?

choices

  1. \frac{1}{8}
  2. \frac{8}{15}
  3. \frac{1}{15}
  4. \frac{7}{15}

subject

high_school_mathematics

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