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

A coin is tossed 3 times and you note that the coin lands heads exactly twice. What is the probability that the first toss was the tail?

3. The attempt at a solution

I've solved the problem manually not using notation.

So I want to try to solve with notation?

Thanks

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# Homework Help: What is the probability that the first toss was the tail?

**Physics Forums | Science Articles, Homework Help, Discussion**