A fair coin is tossed repeatedly until a head appears. Find the conditional probability that the head appeared on the third toss given that the head appeared on an odd-numbered toss. Please show all work!

A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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A fair coin is tossed repeatedly until a head appears. Find the conditional probability that the head appeared on the third toss given that the head appeared on an odd-numbered toss.

Please show all work!

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