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: 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.
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