Q36Short answer
× 35 × 34 × 33 = 1,413,720 different PINs PROBABILITY 291 The number of PINs that contain at least one repeated symbol = 1,679,616 – 1,413,720 = 2,65,896 Thus, the probability that a randomly chosen PIN contains a repeated symbol is 265,896 = .1583 1, 679, 616