Asked by Anonymous
Which of these statements is not true about the variance in a binomial distribution B(n, p)? __________
A. For a fixed p, the variance increases as n increases.
B. For a fixed n, the variance is maximum when p = 0.5.
C. The variance depends only on n.
D. The variance is constant for a specific n and p.
E. None of these are true.
A. For a fixed p, the variance increases as n increases.
B. For a fixed n, the variance is maximum when p = 0.5.
C. The variance depends only on n.
D. The variance is constant for a specific n and p.
E. None of these are true.
Answers
Answered by
MathMate
The variance of a binomial distribution B(n,p) is np(1-p).
So can you figure out which ones are false?
So can you figure out which ones are false?
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