Fill in the P=Xx values to give a legitimate probability distribution for the discrete random variable X, whose possible values are −1, 0, 4, 5, and 6. Value xof X P=Xx −1 0.28 0 0.10 4   5   6 0.22

A small ferry runs every half hour from one side of a large river to the other. The probability distribution for the random variable Y = money collected (in dollars) on a randomly selected ferry trip is shown here. Money collected Probability P(Y ≤ 0) = 0 Incorrect 0.02 5 0.05 10 0.08 Calculate the cumulative probabilities. Do not round. 15 0.16 20 0.27 25 0.42 P(Y <5)= Incorrect

Fill in the P (x=*) values to give a legitimate probability distribution for the discrete random variable X,whose possible values are -2, 1, 2, 4, and 5. Value x of X P(x=X) -2 _ 1 0.22 2 0.24 4 0.24 5 _

Fill in the P(X=x) values to give a legitimate probability distribution for the discrete random variable X, whose possible values are −2, −1, 4, 5, and 6. Value x of X -2 -1 4 5 6 P ( X = x) 0.17 0.27 0.20