Elementary Statistics (12th Edition)

Published by Pearson
ISBN 10: 0321836960
ISBN 13: 978-0-32183-696-0

Chapter 4 - Probability - 4-5 Multiplication Rule: Complements and Conditional Probability - Basic Skills and Concepts - Page 172: 1

Answer

a)0.9 b)0.999

Work Step by Step

a) By using subjective probability, it is really probable that someone will earn a grade A, so P is around 0.9. b) By using subjective probability, it is really probable that someone in a specially smart class will earn a grade A, so P is around 0.999.
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.