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Let X be a random variable with the following probability distribution. Value x of X 0 1 2 3 P(X=x) 0.55 0.30 0.05 0.10 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) = X

Let X be a random variable with the following probability distribution. Value x of X 0 1 2 3 P(X=x) 0.55 0.30 0.05 0.10 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) = X

Calculus For The Life Sciences
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.3: Special Probability Density Functions
Problem 54E
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Let X be a random variable with the following probability distribution. Value x of X P(X=x) 0 1 2 3 0.55 0.30 0.05 0.10 Complete the following. (If necessary, consult a list of formulas.) (a) Find the expectation E (X) of X. E (X) = [] (b) Find the variance Var(X) of X. Var(x) = X Ś
Transcribed Image Text:Let X be a random variable with the following probability distribution. Value x of X P(X=x) 0 1 2 3 0.55 0.30 0.05 0.10 Complete the following. (If necessary, consult a list of formulas.) (a) Find the expectation E (X) of X. E (X) = [] (b) Find the variance Var(X) of X. Var(x) = X Ś
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