Question

Determine whether or not the procedure described below results in a binomial distribution. If it is not​ binomial, identify at least one requirement that is not satisfied.

Four hundred different voters in a region with two major political​ parties, A and​ B, are randomly selected from the population of 3000 registered voters. Each is asked if he or she is a member of political party​ A, recording Yes or No.

Answer 1

a) it is not a binomial, it is hypergeometric distribution.

Explanation:

a) Four hundred different voters in a region with two major political​ parties, A and​ B, are randomly selected from the population of 3000 registered voters.

it is not a binomial because the probability of succes changes between one trial and another one, so the trials are not independent.