The probability that a number greater than than 50 is selected is; 1/2
The available numbers to be selected are;
{18, 47, 51, 60, 63, 65}
Now, there are 6 numbers in total.
The numbers that are greater than 50 are 60, 63 and 65.
Thus, the probability that a number greater than than 50 is selected is;
P(greater than 50) = 3/6 = 1/2
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