Statistics: Informed Decisions Using Data (4th Edition)

Published by Pearson
ISBN 10: 0321757270
ISBN 13: 978-0-32175-727-2

Chapter 5 - Section 5.1 - Assess Your Understanding - Applying the Concepts - Page 265: 28a

Answer

P(volunteered at least once in the past year) $=0.31$

Work Step by Step

P(volunteered at least once in the past year) $=\frac{341}{1100}=0.31$ See Approximating Probabilities Using the Empirical Approach, page 258.
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.