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Mathematics, 08.06.2020 20:57 ayoismeisalex
Martha types a 4−digit code into a keypad to unlock her car doors. The code uses the numbers 1 and 0. If the digits are selected at random, what is the probability of getting a code with exactly two 1's? Enter your answer as a simplified fraction. The probability of getting two 1's is.
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Martha types a 4−digit code into a keypad to unlock her car doors. The code uses the numbers 1 and 0...
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