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)=
et be a random variable with the following probability distribution: Value of -2 0.15 -1 0.15...
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 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
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) 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 -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 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) -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
O RANDOM VARIABLES AND DISTRIBUTIONS Expectation and variance of a random variable Let X be a random variable with the following probability distribution: Value x of X P(X-) 0.35 0.40 0.10 0.15 10 0 10 20 Find the expectation E (X) and variance Var(X) of X. (If necessary, consult a list of formulas.) Var(x) -
Fill in the P(X = x) values to give a legitimate probability distribution for the discrete random variable X, whose possible values are 2, 3, 4, 5, and 6. Value I of x P(x = x) 2 0.16 3 4 0.17 0.29 6 0 X 6 For Subm Let X be a random variable with the following probability distribution: 1 Value x of X P(X=x) 0.25 2 0.05 3 0.15 4 0.15 5 0.10 6 0.30 Find the expectation E...