1. A coin is flipped seven times where each flip comes up either heads or tails. How many possible outcomes contain at least three heads? Explain your answer.

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1. Could you please give the right answer and explain it ?
1. A coin is flipped seven times where each flip comes up either heads or tails.
How many possible outcomes contain at least three heads? Explain your answer.
111
Transcribed Image Text:1. A coin is flipped seven times where each flip comes up either heads or tails. How many possible outcomes contain at least three heads? Explain your answer. 111
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