A coin is tossed until a head appears. What is the expectation of the number of tosses required?

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
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A coin is tossed until a head appears. What is the expectation of the number of tosses required?

 

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