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 G
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 G
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
Related questions
Question
![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
G](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F9c415030-bb1c-408e-8f79-909b793eab5b%2Fdd572247-f67b-4ba8-a33c-7b12a309cd72%2Fk36gyvk_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)
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
G
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