The set S = {n : n is an integer such that 1≤ n ≤ 50}. If an element of S is selected at random, find the probability that it does not contain the digit '2' at all. The correct answer is 18/25. Give step by step solution .
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Step-by-step explanation:
S = {n : n is an integer such that 1≤ n ≤ 50}.
S={1,2,3,...50}
probability that it does not contain the digit '2
{1,3,4,5,.....50}
possible no.of outcomes is 36
total no.of outcomes is 50
probability that it does not contain the digit '2
36/50
=18/25
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