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Back to 3.3 Two Basic Rules of Probability

3.3 Exercise 1

Avg difficulty 2.5

Anna has to buy a new car. She has two choices, car A and car B. Anna can afford only one car. The probability that Anna will buy car A is P(A) = 0.25P \left(A\right) = 0 . 25, and the probability that Anna will buy car B is P(B) = 0.65P \left(B\right) = 0 . 65. Find:

  • P(A AND B)P \left(A A N D B\right)
  • P(A OR B)P \left(A O R B\right)

OpenStax Introductory Statistics 2e, 3.3 Two Basic Rules of Probability, exercise 1

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Adapted from Introductory Statistics 2e © 2023 Rice University. Licensed under CC BY 4.0. Source: Introductory Statistics 2e. Imported at revision 50ec917.