A discrete random variable can assume 4 possible values, as listed in the accompanying probability distribution. x: -5 0 2 5 p(x): 0.20 0.30 0.10 (b) Find the mean of x using probability distribution p(x).
A discrete random variable can assume 4 possible values, as listed in the accompanying probability distribution. x: -5 0 2 5 p(x): 0.20 0.30 0.10 (b) Find the mean of x using probability distribution p(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.
Chapter12: Probability
Section12.4: Discrete Random Variables; Applications To Decision Making
Problem 4E
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Question
- A discrete random variable can assume 4 possible values, as listed in the accompanying probability distribution.
x: |
-5 |
0 |
2 |
5 |
|
|
p(x): |
0.20 |
0.30 |
|
0.10 |
|
|
(b) Find the
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