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A Social Security number consists of nine digits in a particular order, and repetition of digits is allowed. After seeing the last four digits printed

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A Social Security number consists of nine digits in a particular order, and repetition of digits is allowed. After seeing the last four digits printed on a receipt, if you randomly select the other digits, what is the probability of getting the correct Social Security number of the person who was given the receipt? The probability is (Type an integer or a simplified fraction.)

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