Mathematics, 22.10.2019 11:00 jayybrain6337

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 one 1? enter your answer as a simplified fraction.

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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...