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3.3 Exercise 52

Avg difficulty 2.5

In a box of assorted cookies, 36 percent contain chocolate and 12 percent contain nuts. Of those, 8 percent contain both chocolate and nuts. Sean is allergic to both chocolate and nuts.

  1. Find the probability that a cookie contains chocolate or nuts (he can't eat it).
  2. Find the probability that a cookie does not contain chocolate or nuts (he can eat it).

OpenStax Statistics, 3.3 Two Basic Rules of Probability, exercise 52

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Adapted from Statistics © 2022 Rice University. Licensed under CC BY 4.0. Source: Statistics. Imported at revision 7dea80a.