Question: Consider the following experiment: we ask a computer to select an integer at random from the set {0, 1, 2,, 99 999}. What is the

Consider the following experiment: we ask a computer to select an integer at random from the set {0, 1, 2,…, 99 999}. What is the probability that the number selected

(i) does not contain the digit 7?

(ii) contains both digits 5 and 7?

(iii) contains, at least once, each of the digits 1, 3, 5, 7?

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