threeof12
threeof12
12-06-2017
Mathematics
contestada
possible outcomes of 2 dates selected from 365
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irspow
irspow
12-06-2017
Unique pair of dates...use "n choose k" formula:
n!/(k!(n-k)!), n=number of total possible choices, k=number of selections
365!/(2!(363!))
66430 unique combinations
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mreijepatmat
mreijepatmat
12-06-2017
The first date has 365 possible outcome
The second date has 364 possible outcome (since one day already selected)
The total outcome is 365 x 364 =132,860 outcomes
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