Respuesta :

AwesomeChocolate

There are eight different possibilities for outcomes of three tosses:

1. Head, Head, Head
2. Head, Head, Tail
3. Head, Tail, Head
4. Head, Tail, Tail
5. Tail, Head, Head
6. Tail, Head, Tail
7. Tail, Tail, Head
8. Tail, Tail, Tail

The 8th possibility will not give us at least 1 head so we will cross that one out. So there is a 1/7 possibility for at least 1 head. 

ChiyaPopstar
well, since a coin has 2 sides (heads,tails) and you flipped it 3 times the probability is: 
 3/6 of a chance

(sorry if it is wrong)

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