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Course: Statistics and probability > Unit 7

Lesson 6: Addition rule
Math
Statistics and probability
Probability
Addition rule
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Two-way tables, Venn diagrams, and probability

Google Classroom

Problem

A restaurant noted what type of food its customers purchased last week. Here are the results:
In this sample, are the events "burger" and "fries" mutually exclusive?
Choose 1 answer:
Find the probability that a randomly selected person from this sample bought a burger OR bought fries.
P(burger OR fries)=
  • Your answer should be
  • an integer, like 6
  • a simplified proper fraction, like 3/5
  • a simplified improper fraction, like 7/4
  • a mixed number, like 1 3/4
  • an exact decimal, like 0.75
  • a multiple of pi, like 12 pi or 2/3 pi