ProbabilityCombinatorics
A two-digit number (from 10 to 99, each equally likely) is chosen at random. What is the probability that its ones digit is greater than its tens digit? Give an exact fraction.
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A two-digit number (from 10 to 99, each equally likely) is chosen at random. What is the probability that its ones digit is greater than its tens digit? Give an exact fraction.
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