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CGP EDU Academic Team
Published on: August 13, 2026
Let a random variable X has a binomial distribution with mean 8 and variance 4. If 
, then the value of k is equal to
Text Solution
Verified by ExpertsThe correct answer is:
D
137
Let n be the number of times the experiment is done, p is the probability of success and q is the probability of failure
np = 8 (mean), npq = 4 (variance)
n = 16
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