Algebra and Trigonometry 10th Edition

Published by Cengage Learning
ISBN 10: 9781337271172
ISBN 13: 978-1-33727-117-2

Chapter 11 - Review Exercises - Page 842: 95b


$P(freshman,sophomore~or~junior)=31+26+25=82$% $=0.82$

Work Step by Step

The events "winner is a freshman," "winner is a sophomore," and "winner is a junior" are independent. $P(freshman,sophomore~or~junior)=P(freshman)+P(sophomore)+P(junior)=31+26+25=82$
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.