NDA Government Jobs Exams

The binomial distribution has
(a) only one parameter (b) two parameters (c) three parameters (d) four parameters

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NDA Other Question

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 What is sqrt(− i) where i = sqrt(−1) equal to