Example 2

Author:
Walch Education
Topic:
Probability
The completed two-way frequency table from Example 1 is shown below. It shows the results of a survey designed to help the Student Council choose a school-wide activity. Consider the following events that apply to a random student who participated in the survey.
  • : The student is in the tenth grade.
  • : The student is in the twelfth grade.
  • : The student prefers a field trip.
  • : The student prefers a talent show.
Compare and . Are and independent? Compare and . Are and independent? Interpret the results.
  1. Find the totals of all the categories.
  2. Compare and .
  3. Determine if and are independent.
  4. Interpret the results for and .
  5. Compare and .
  6. Determine if and are independent.
  7. Interpret the results for and .
This applet is provided by Walch Education as supplemental material for their mathematics programs. Visit www.walch.com for more information.

New Resources

Discover Resources

Discover Topics