If x is a binomial random variable, calculate σ for n = 100 and p = 0.3. Round to three decimal places when necessary.
A) 4.583
B) 30
C) 21
D) 5.477

Name: If x is a binomial random variable, calculate σ for n = 100 and p = 0.3. Round to three decimal places when necessary. A) 4.583 B) 30 C) 21 D) 5.477
Brand: Quizplus
Rating: 4.7 (44 reviews)

Question

Quizplus · Accepted Answer

The standard deviation of a binomial random variable is given by σ = √(np(1-p)). Substituting n = 100 and p = 0.3, we get σ = √(100 * 0.3 * 0.7) = 4.583 (rounded to three decimal places).

If X Is a Binomial Random Variable, Calculate σ for N