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Mathematics, 24.04.2021 01:30 breiajr
A five-digit number starts with a number between 4-9 in the first position, with no restrictions on the remaining 4 digits. a) Find the probability that a randomly-chosen phone number contains all different digits. b) Find the probability that a randomly-chosen phone number contains at least one repeated digit. a) Write an expression that models the probability. Select the correct choice below and fill in the answer box(es) within your choice.
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A five-digit number starts with a number between 4-9 in the first position, with no restrictions...
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