mullen2627 mullen2627

18-07-2018
Mathematics

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To win at lotto in one state, one must correctly select 4 numbers from a collection of 61 numbers (1 through 61). the order in which the selection is made does not matter. how many different selections are possible?

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mathstudent55 mathstudent55

18-07-2018

If order matters, the number is 61 * 60 * 59 * 58 = 12,524,520

Since the order does not matter, the number is 12,524,520/(4 * 3 * 2 * 1) = 521,855

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