SOLUTION: In how many ways could you obtain at least one head if you flip the coin seven times?

Question 957687: In how many ways could you obtain at least one head if you flip the coin seven times?

Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
If you flip a coin seven times, there are 2^7 = 128 different outcomes

1 of those outcomes is all tails. So 128-1 = 127 of those outcomes have at least one head.

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