What is the variance of the binomial distribution?
Correct answer D. np(1 − p)
Explanation
The binomial variance is npq, and since q = 1 − p, this can also be written as np(1 − p).
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More Binomial And Hyper-geometric Probability questions
See allWhat is always true of the variance of a binomial distribution?
Correct answer A. Less than mean
What is the variance of a binomial distribution with n = 20 and p = 3/5?
Correct answer B. 4.8
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Which of the following is not a requirement of the binomial distribution?
Correct answer B. Must have at least 3 trials
In which distribution are successive trials carried out with replacement?
Correct answer B. Binomial distribution
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