Back to 7.8 The Addition Rule for Probability

7.8 Exercise 1

Avg difficulty 2.5

Decide whether the following events are mutually exclusive. If they are not mutually exclusive, identify an outcome that would result in both events occurring.

  1. You are about to roll a standard 6-sided die. EE is the event “the die shows an even number” and FF is the event “the die shows an odd number.”
  2. You are about to roll a standard 6-sided die. EE is the event “the die shows an even number” and SS is the event “the die shows a number less than 4.”
  3. You are about to flip a coin 4 times. JJ is the event “at least 2 heads are flipped” and KK is the event “fewer than 3 tails are flipped.”

OpenStax Contemporary Mathematics, 7.8 The Addition Rule for Probability, exercise 1

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Adapted from Contemporary Mathematics © 2023 Rice University. Licensed under CC BY 4.0. Source: Contemporary Mathematics. Imported at revision fa7c1a1.