Mathematics, 14.05.2021 21:10 Dweath50

A 4-digit combination lock can be opened only if a correct combination of digits from 0-9 is chosen. Find the probability of guessing the correct combination if: none of the digits are repeated, any of the digits can be repeated, any of the digits can be repeated but the 3 and 8 are not in the combination.

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A 4-digit combination lock can be opened only if a correct combination of digits from 0-9 is chosen....