Calculate the expected value of X, E(X), for the given probability distribution. x 2 4 6 8 P(X = x) 7 20 11 20 1 20 1 20 E(X) =
Calculate the expected value of X, E(X), for the given probability distribution. x 2 4 6 8 P(X = x) 7 20 11 20 1 20 1 20 E(X) =
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Question
Calculate the expected value of X, E(X), for the given probability distribution.
x | 2 | 4 | 6 | 8 | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
P(X = x) |
|
|
|
|
E(X) =
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