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In a bionomial distribution, mean is 18 and variance is 12 then p = .....A. `(2)/(3)`B. `(1)/(3)`C. `(3)/(4)`D. `(1)/(2)` |
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Answer» Correct Answer - B We know that, mean = np = 18 and variance = n p q = 12 Now, `(npq)/(np) = (12)/(18) implies q = (2)/(3)` `:. P = 1- q = 1 - (2)/(3) = (1)/(3)` |
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