(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

Alvin and Andy both have 4 coins and 3 coins respectively. The coins are fair. Both of them toss each of their coins once. What is the probability that Alvin gets more head than Andy?

2. Relevant equations

3. The attempt at a solution

(1,0),(2,0),(3,0),(4,0),(2,1),(3,1),(4,1),(3,2),(4,2),(4,3)

the probability is (1/2)^8 x 10=5/128

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# Homework Help: Probability of coin flips

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