RedaFaylahbastinus RedaFaylahbastinus

20-11-2015
Mathematics

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A Social Security number consists of nine digits in a particular order, and repetition of digits is allowed. If randomly selecting digits for one Social Security number, what is the probability that you get the Social Security number of the presidents?

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keikeikei keikeikei

20-11-2015

the probability is (number of presidents)/(10^9)

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