## Algebra 2 (1st Edition)

Published by McDougal Littell

# Chapter 10 Counting Methods and Probability - 10.5 Find Probabilities of Independent and Dependent Events - 10.5 Exercises - Skill Practice - Page 722: 31

See below.

#### Work Step by Step

a) In this case the events are independent: $\frac{13}{52}\frac{13}{52}\frac{13}{52}=\frac{1}{64}$ b) In this case the events are not independent: the first one has probability $\frac{13}{52}$; the second one has probability $\frac{13}{51}$; and the third one has probability $\frac{12}{50}$. Thus the probability is: $\frac{13}{52}\frac{13}{51}\frac{12}{50}=\frac{13}{850}$

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