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Problem on probability

  1. Jul 3, 2014 #1
    Need help to solve calculus problem

    A box contains 8 black and 10 white balls. One ball is drawn at random. What is the probability that the ball drawn is black?

  2. jcsd
  3. Jul 3, 2014 #2


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    Homework Helper

    This problem is very simple. What have you learned about probability in class so far?
  4. Jul 3, 2014 #3


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    Science Advisor

    There is certainly no "Calculus" involved here, just basic arithmetic. And knowing the basic definitions, of course.
  5. Jul 4, 2014 #4


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    Gold Member

    Why do you think this calculus is involved in this problem?
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