Math

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What are the odds in favor of getting at most two heads in three successive flips of a coin?

This problem has to be done in ratio not fraction.

Can anyone help?

  • Math -

    The possibilities from three coin tosses:

    HHH
    HHT
    HTH
    THH
    THT
    TTH
    HTT
    TTT

    "At most two heads" fits every alternative except HHH.

    I hope that helps.

  • Math -

    So would it be 7:1

  • Math -

    Looks good!

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