What are the requirements for a probability distribution? (select all that apply.) the summation of the probabilities is > 1. each probability takes on a value of 0 or 1. a description of all the values of the random variable x. associated probabilities for each value of x. the summation of the probabilities is < 1. each probability takes on values between 0 and 1 inclusive. each value of x has the same probability. the summation of the probabilities equal 1. incorrect: your answer is incorrect.