algebra 2

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A fair coin is tossed 4 times. Given that each of the first 3 tosses land tails up, what is the probability that all 4 tosses land tails up?

  • algebra 2 -

    i think ...
    isn't it
    3/4?

  • algebra 2 -

    1/2.. Same as a single coin toss. The odds of each toss are independent of what went before.

  • algebra 2 -

    oh yeah duh haha
    it doesn't matter what was before there're two choices haha i remember now :]
    hey answer my question!!

  • algebra 2 -

    I did answer your question

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