8. x -3 -1 1 3 5 P(X = x) 0.17 0.28 0.15 0.27 0.13

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

Find the variance using the provided probability
distribution of random variable X.

A) 6.9676

B) 2.6396

C) 4.5727

D) 5.8776

E) 8.0278

 

8.
x
-3
-1
1
3
5
نا
P(X = x)
0.17
0.28
0.15
0.27
0.13
Transcribed Image Text:8. x -3 -1 1 3 5 نا P(X = x) 0.17 0.28 0.15 0.27 0.13
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