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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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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