You have two coins of which one is balanced and the other one is unbalanced such that heads come up with a probability of 2/3. First, you choose one of these two coins at random. Then you toss the coin twice. Find the probability that the first toss is a head and the second toss is a tail.

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
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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You have two coins of which one is balanced and the other one is unbalanced such that heads come up with a probability of 2/3. First, you choose one of these two coins at random. Then you toss the coin twice. Find the probability that the first toss is a head and the second toss is a tail.
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