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What are the odds in favor of getting at least one head in three successive flips of a coin?

would those be 2/3?

  • math -

    The possibilities are are follows:

    HHH
    HHT
    HTH
    THH
    TTH
    THT
    HTT
    TTT

    Out of these eight possibilities, how may will have "at least one head"?

    I hope this helps.

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