Introductory Statistics 9th Edition

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

Chapter 4 - Section 4.4 - Intersection of Events and the Multiplication Rule - Exercises - Page 155: 4.45

Answer

The joint probability for two independent events = P(A) $\times$ P(B) The joint probability for two dependent events = P(A) $\times$ P(B|A) = P(A) $\times$ $\frac{P(B ∩ A)}{P(A)}$ = P(B ∩ A)

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