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Back to 13.7 Probability

Computing Probability Using Counting Theory

Avg difficulty 2.5

A child randomly selects 5 toys from a bin containing 3 bunnies, 5 dogs, and 6 bears.

  1. ⓐFind the probability that only bears are chosen.
  2. ⓑFind the probability that 2 bears and 3 dogs are chosen.
  3. ⓒFind the probability that at least 2 dogs are chosen.

OpenStax Algebra and Trigonometry 2e, 13.7 Probability, exercise 14

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Adapted from College Algebra © 2021 Rice University. Licensed under CC BY 4.0. Sources: College Algebra 2e, Algebra and Trigonometry 2e, Precalculus 2e, College Algebra with Corequisite Support 2e. Imported at revision 4922e46.