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    randn3666's Avatar
    randn3666 Posts: 3, Reputation: 1
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    #1

    Jul 9, 2009, 06:10 PM
    Probability- Flipping a coin
    You flip a coin three times and observe the outcome. Describe (list) the sample space of possible outcomes, using H or T for each outcome. Include probabilities for each event.
    Perito's Avatar
    Perito Posts: 3,139, Reputation: 150
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    #2

    Jul 9, 2009, 08:35 PM

    You should post all of your questions in one message, not several. Then, you should explain what you've done and why you're stumped.

    If you flip a coin three times, you'll get

    1. head or tail
    2. head or tail
    3. head or tail

    What are the possibilities?

    HHH
    HHT
    ... continue with one tail
    HTT
    ... continue with two tails
    TTT

    You get the picture. Figuring probabilities is simply counting the possibilities, n. Each possibility is 1/n.
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