54°F Cloudy Let X be a random variable with the following probability distribution. Value x of X P(X=x) -20 0.40 -10 0.15 0 0.40 10 0.05 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) = ☐ Check Search X S 廣告 44 © 2024 N
54°F Cloudy Let X be a random variable with the following probability distribution. Value x of X P(X=x) -20 0.40 -10 0.15 0 0.40 10 0.05 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) = ☐ Check Search X S 廣告 44 © 2024 N
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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