A fair coin is tossed 27 times. In how many outcomes do at most 25 heads occur? 379 351 134,217,349 134,217,700 28 None of the above.
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For each toss, there are 2 possible outcomes (Heads or Tails). The total number of possible outcomes when tossing a coin N times is $2^N$. So, the total number of outcomes for 27 tosses is $2^{27}$. Show more…
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