Q26 of 62 Page 1337

Determine the binomial distribution whose mean is 9 and variance is 6?

Mean = np = 9


Variance = npq = 6


⇒ q = =


⇒ p = 1 - =


⇒ n = 27


Binomial distribution


where r = 0, 1, 2, 3, ………, 27


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