Question: The access code for a garage door consists of three digits. Each digit can be any number from 0 through 9, and each digit can

The access code for a garage door consists of three digits. Each digit can be any number from 0 through 9, and each digit can be repeated.
(a) Find the number of possible access codes.
(b) What is the probability of randomly selecting the correct access code on the first try?
(c) What is the probability of not selecting the correct access code on the first try?

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