What is the mean of a binomial distribution?
Correct answer B. n × p
Explanation
In n independent trials each with success probability p, the expected number of successes is n × p.
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More Binomial And Hyper-geometric Probability questions
See allWhen is the binomial distribution symmetrical?
Correct answer A. Both (b) and (c) but not (a)
Which of the following statements holds for the hypergeometric distribution?
Correct answer D. Both (b) and (c) but not (a)
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What is the mean of a binomial distribution with n = 10 and p = 3/5?
Correct answer B. 6
For a binomial distribution with n = 15, what happens as p moves from 0.50 towards 0.05?
Correct answer B. Becomes more positively skewed
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