Following is the probability distribution for the age of a student at a certain public high school. x 13 14 15 16 17 18 Px 0.08 0.23 0.22 0.29 0.14 0.04 Find the variance of the ages
Following is the probability distribution for the age of a student at a certain public high school. x 13 14 15 16 17 18 Px 0.08 0.23 0.22 0.29 0.14 0.04 Find the variance of the ages
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
Section12.2: Introduction To Probability
Problem 66E
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Question
Following is the probability distribution for the age of a student at a certain public high school.
x
|
13
|
14
|
15
|
16
|
17
|
18
|
Px
|
0.08
|
0.23
|
0.22
|
0.29
|
0.14
|
0.04
|
Find the variance of the ages
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