Forty percent of all registered voters in a national election are female.A random sample of 5 voters is selected. The probability that the sample contains 2 female voters is

Question

Quizplus · Accepted Answer

The probability can be calculated using the binomial probability formula: P(X=k) = C(n, k) * p^k * (1-p)^(n-k), where n=5, k=2, and p=0.4. This results in P(X=2) = C(5, 2) * (0.4)^2 * (0.6)^3 = 0.3456.

Forty Percent of All Registered Voters in a National Election