Back to 3.2 Independent and Mutually Exclusive Events

3.2 Exercise 15

Avg difficulty 2.5

Mark is deciding which route to take to work. His choices are I = the Interstate and F = Fifth Street.

  • P ( I ) = 0.44 P \left(I\right) = 0.44 and P ( F ) = 0.56 P \left(F\right) = 0.56
  • P ( I ∩ F ) = 0 P \left(I \cap F\right) = 0 because Mark will take only one route to work.

What is the probability of P ( I ∪ F )P \left(I \cup F\right)?

OpenStax Introductory Business Statistics 2e, 3.2 Independent and Mutually Exclusive Events, exercise 15

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