20 0.25 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 X Ś
20 0.25 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 X Ś
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.CR: Chapter 13 Review
Problem 24CR
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![Let X be a random variable with the following probability distribution.
Value x of X P(X=x)
-10
0
10
20
0.30
0.40
0.05
0.25
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
X](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2743f58a-999a-485c-8435-d316e3b49890%2F28e811a6-1a59-4b3e-bafa-4110bf41fa23%2Fbl5ie9a_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Let X be a random variable with the following probability distribution.
Value x of X P(X=x)
-10
0
10
20
0.30
0.40
0.05
0.25
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
X
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