Use the probability distribution for the random variable x to answer the question. 0 = X 0 1 4 5 p(x) 0.05 0.05 0.2 0.25 0.15 0.3 2 3 Find μ, ², and o. (Round your standard deviation to two decimal places.) μl = 0² =

The discrete random variable Y has probability distribution given by: Y 0. 1 3. P(Y=y) b. 0.1 0.15 a where a, b and c are constants. P(Y = 1) = P(Y 23) %3D P(Y = 0) = P(Y = 2) – 0.1 %3D %3D Find the values of a, b and c.

X-X Z= Z-score: Variance: σ ²=Σ(x-4)²P For questions 1 - 4, answer the questions about discrete random variables. Find the mean of the discrete random variable with the probability distribution below. Find the mean of the discrete random variable with the probability distribution below. X 1 2 3 4 5 X 3 4 5 6 7 P(x) 0.3 0.2 0.1 0.3 0.1 P(x) 0.1 0.2 0.3 0.15 0.25 1 2 Find E(X) for the discrete random variable with the probability distribution below. Find the mean of the discrete random variable with the probability distribution below. X 0 2 4 6 8 X 1 4 5 6 8 P(x) 0.1 0.1 0.1 0.2 0.5 P(x) 0.2 0.2 0.2 0.3 0.1 3