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Mathematics, 17.08.2019 22:10 pretti78
Afour-digit number starts with a number between 5-9 in the first position, with no restrictions on the remaining 3 digits. a right parenthesis find the probability that a randomly-chosen phone number contains all different digits. b right parenthesis find the probability that a randomly-chosen phone number contains at least one repeated digit.
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Afour-digit number starts with a number between 5-9 in the first position, with no restrictions on t...
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