let X be a random variable with the following probability distrubution -1 0.4 0 0.05 1 0.30 2 0.25 find the expectation E(X) of X find the variances Var(X) of X
let X be a random variable with the following probability distrubution -1 0.4 0 0.05 1 0.30 2 0.25 find the expectation E(X) of X find the variances Var(X) of X
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 21E
Related questions
Question
let X be a random variable with the following probability distrubution
-1 |
0.4 |
0 |
0.05 |
1 |
0.30 |
2 |
0.25 |
find the expectation E(X) of X
find the variances Var(X) of X
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