How is the binomial probability distribution b(x; n, p) defined?
Correct answer A. C(n, x) pˣ qⁿ⁻ˣ
Explanation
The probability of exactly x successes in n trials is the number of ways to choose x successes, C(n, x), multiplied by pˣ for the successes and qⁿ⁻ˣ for the failures.
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