A fair coin is tossed 27 times. In how many outcomes do at least 3 tails occur? 134,214,424 134,217,349 2,925 134,217,350 1 None of the above.
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For each toss, there are 2 possible outcomes: Heads (H) or Tails (T). The total number of possible outcomes when tossing a coin N times is $2^N$. In this case, the total number of outcomes is $2^{27}$. Show more…
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