Q29 of 62 Page 1337

For a binomial distribution, the mean is 6 and the standard deviation is . Find the probability of getting 5 successes.

Mean = np = 6


Variance = npq = 2


⇒ q =


⇒ p = 1 - =


⇒ n = 9


The probability of getting 5 successes,


9C5()5()4


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