NDA Government Jobs Exams

Two numbers are successively drawn from the set U = {1, 2, 3, 4, 5, 6, 7, 8}, the second being drawn without
replacing the first. The number of elementary events in the sample is

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NDA Other Question

If X follows a binomial distribution with parameters n = 100 and p = 1/3, then P(X = r) is maximum when The binomial distribution has
(a) only one parameter (b) two parameters (c) three parameters (d) four parameters