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23 November, 02:16

A coin is flipped 25 times. How many ways can we get exactly 19 heads?

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  1. 23 November, 03:07
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    177,100 ways

    Step-by-step explanation:

    "If you number the flips 1 through 25, then each different combination of 19 heads from the 25 total is considered different. So 25C19 = 25C6 is the number of distinct U Tube videos you could watch to yield your outcome. So it is 177,100 ways."
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