The variance for the binomial probability distribution isQuestion 7Select one:a.var(x) = P(1 - P)b.var(x) = nPc.var(x) = n(1 - P)d.var(x) = nP(1 - P)
Question
The variance for the binomial probability distribution isQuestion 7Select one:a.var(x) = P(1 - P)b.var(x) = nPc.var(x) = n(1 - P)d.var(x) = nP(1 - P)
Solution
The correct answer is d. var(x) = nP(1 - P).
Here's why:
The variance of a binomial distribution is calculated as the product of the number of trials (n), the probability of success (P), and the probability of failure (1 - P). So, the formula is nP(1 - P).
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