Introductory Statistics 9th Edition

Published by Wiley
ISBN 10: 1-11905-571-7
ISBN 13: 978-1-11905-571-6

Chapter 4 - Section 4.2 - Calculating Probability - Exercises - Page 140: 4.25

Answer

P(company offers free health fitness center) = 0.325 P(company does not offer free health fitness center) = 0.675 These two probabilities add to 1.0. Because the sum of the probabilities of these two events must add to 1.0, there are no other outcomes.

Work Step by Step

P(company offers free health fitness center) = $\frac{130}{400}$ = 0.325 P(company does not offer free health fitness center) = $\frac{270}{400}$ = 0.675
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