O RANDOM VARIABLES AND DISTRIBUTIONS Expectation and variance of a random variable Let X be a...
Let X be a random variable with the following probability distribution: value x of X P (X= x) 40 50 60 70 80 90 0.10 0.15 0.40 0.20 0.05 0.10 Find the expectation E (X) and variance Var(X) of X. (If necessary, consult a list of formulas.) Var(x)-
Let X be a random variable with the following probability distribution: Value x of X P( xx) 0.40 5 0.05 6 0.10 0.35 В 4 7 0.10 Find the expectation E(X) and variance Var (x) of X. (If necessary, consult a list of formulas.) х 5 2
Let X be a random variable with the following probability distribution: Value x of X P(X=x) 0.15 0.10 3 0.05 0.05 0.30 0.35 Find the expectation E (X) and variance Var (X) of X. (If necessary, consult a list of formulas.) E (x) = 0 x 6 ? var(x) -
Let X be a random variable with the following probability distribution:Value x of XP(X=x)-300.05-200.20-100.0500.15100.25200.30Find the expectation E(X) and variance Var(X) of X. (if necessary, consult a list of formulas.)
Let X be a random variable with the following probability distribution: Value x of X P(X = x) -10 0.05 0 0.20 10 0.05 20 0.05 30 0.30 40 0.35 Find the expectation E(X) and variance Var (x) of X. (If necessary, consult a list of formulas.) X 5 ? var(x) = 0
Let x be a random variable with the following probability distribution: Value x of X -2 - 1 0 0 0 1 0 P(X-X) 0.10 .30 .20 .40 Find the expectation E (x ) and variance Var (x) of X. (If necessary, consult a list of formulas.) ( x 5 ? Var (x) - 0
5 = b Let X be a random variable with the following probability distribution: Value x of X P(X=x) 30 0.35 40 0.30 0.05 0.15 0.15 Find the expectation E (x) and variance Var (x) of X. (If necessary, consult a list of formulas.) X 5 ? E (x) = 0 Var(x) = 0 Continue The workers' union at a certain university is quite strong. About 96% of all workers em workers went on strike, and now a local TV...
Let X be a random variable with the following probability distribution: Value x of X 40 50 60 70 80 P(X=x) 0.05 0.25 0.10 0.30 0.30 Find the expectation E (X) and variance Var (X) of X. (If necessary, consult a list of formulas.) x 6 ? E (x) = 0 Var(x) = 0
et be a random variable with the following probability distribution: Value of -2 0.15 -1 0.15 0 0.15 1 0.10 2 0.30 3 0.15 Find the expectation and variance of . (If necessary, consult a list of formulas.) E (x)= Var (X)=
Question 10 of 20 (1 point) Question Allem 1 of Unlimited 5 V6 Let X be a random variable with the following probability distribution: -10 Value x of X P(X) -20 0.05 0.05 0 0.55 10 0.35 Find the expectation E(X) and variance Var(x) of X. (If necessary, consult a list of formulas.) * (*) = 0 X ? Var(x) = 0