a four digit personal identification number (pin) is selected. what is the probability that there are no repeated digits? do not round
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If a four digit personal identification number is selected, then the probability that there are no repeated digits is 0.504Number of digits in the identification number = 40, 1, 2, 3, 4, 5, 6, 7, 8 and 9There are 10 digitsThe probability = Number of favorable outcomes / Total number of outcomesTotal number of outcomes = 10 × 10 × 10 × 10= 10000Number of outcomes that digits wont repeat = 10 × 9 × 8 × 7= 5040Substitute the values in the equation of probabilityThe probability = 5040 / 10000= 0.504Therefore, the probability there are no repeated digits is 0.504Learn more about probability herebrainly.com/question/11234923#SPJ4