Jasmf2rSstaiman Jasmf2rSstaiman

21-04-2016
Mathematics

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If you must correctly select 3 numbers, each from 0 to 9, what's the probability if the order is important?

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apologiabiology apologiabiology

21-04-2016

if they have to be different then
10 numbers total
9*8*7=504 ways
1/504

if they can be same numbers
9*9*9
729
1/729

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