Calculate the expected value of X, E(X), for the given probability distribution. x 2 4 6 8 P(X = x) 7 20 11 20 1 20 1 20 E(X) =
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Q: a) Find the expectation E (X) of X. E(X) = 0 (b) Find the variance VarX) of X. Var(X) = 0
A: Given: x P(x) 0 0.35 10 0.35 20 0.05 30 0.25 Total 1
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- Let X be a random variable with the following probability distribution. Value x of X P(X=x) 2 0.05 3 0.05 4 0.05 5 0.85 Complete the following. (If necessary, consult a list of formulas.) (a) Find the expectation E(X) of X. E (X) = 0 (b) Find the variance Var(X) of X. Var(x) = ☐ Check B X GSuppose X takes the value 1 with probability P, and the value 0 with probability (1-P). The Probability distribution of X is P(X) 1-P 1 P The expected value of X, E(X) is:If 'X' is a continuous random variable, then the expected value is given by O a. SXP(X) O b. P(X) O C. No value such as expected value d. [x P(x) م
- Calculate the expected value of X, E(X), for the given probability distribution. 2 4 6. 8 6. 12 P(X = x) 20 20 20 20 E(X) :A certain brand of cars captured 21.7% of the market. If 3 cars are selected at random, the probability distribution is given below. Find E(x). 1 2 3 P(x) 0.2 0.4 0.1 0,3 What is the expected value? E(x) = (Type an integer or a decimal.)I need the answer as soon as possible
- Let X be a random variable with the following probability distribution. Value x of X P(X=x) 3 4 5 5.0 6 0.10 0.05 0.40 0.45 Complete the following. (If necessary, consult a list of formulas.) (a) Find the expectation E (X) of X. E (X) = 0 (b) Find the variance Var(X) of X. Var(x) = 0Calculate the expected value of X, E(X), for the given probability distribution. 1 3 P(X = x) 0.1 0.2 0.2 0.5Calculate the expected value of X, E(X), for the given probability distribution. 1 2 4 P(X = x) 0.2 0.1 0.6 0.1 E(X) %D
- Let Xbe a random variable with the following probability distribution. Question table Value of X P( X=x) 0 0.05 10 0.40 20 0.20 30 0.10 40 0.25 A. Find the expectation E(X) of (X) E(X)=? B. Find the variance VAR(X) of (X) VAR(X)=?Let X be a random variable with the following probability distribution. Value x of X P X= x 3 4 5 6 7 0.05 0.35 0.25 0.05 0.30 Complete the following. (If necessary, consult a list of formulas.) (a) Find the expectation E (X) of X. E (X) = 0 (b) Find the variance Var(X) of X. Var(x) = 0
