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Home > A2C > Chapter 13 > Lesson 13.1.2 > Problem 13-38


Three light bulbs are chosen at random from bulbs, of which five are defective. What is the probability that:

  1. None of the three are defective.

  2. Exactly two are defective.

    Exactly two are defective means that one is not defective.

    Use the method from part (a).