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you randomly select an integer from 0 to 24 (inclusively) and then randomly
select an integer from 0 to 19 (inclusively). what is the probability of selecting a 3 both times
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The probability is to select randomly first "a 3", and the probability is
to select randomly second "a 3". Both events are independent.
So, the ANSWER to the problem's question is the product
P = = .
Solved.