Given that x is a hypergeometric random variable with N = 9, n = 3, and r = 5, compute the standard deviation of x.
A) .745
B) .208
C) .556
D) .456

Name: Given that x is a hypergeometric random variable with N = 9, n = 3, and r = 5, compute the standard deviation of x. A) .745 B) .208 C) .556 D) .456
Brand: Quizplus
Rating: 4.9 (41 reviews)

Question

Quizplus · Accepted Answer

The standard deviation of a hypergeometric random variable is given by sqrt((N-n)*n*r*(N-r))/(N-1)). Substituting the given values, we get sqrt((9-3)*3*5*(9-5))/(9-1)) = .745.

Given That X Is a Hypergeometric Random Variable with N