Find the standard deviation. x P(x) 0 0.2 1 0.2 2 0.4 3 0.2 Please
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question
- Complete the
expected value table
x |
P(x) |
0 |
0.2 |
1 |
0.2 |
2 |
0.4 |
3 |
0.2 |
(a) Find the expected value from the expected value table?
=0*0.2+1*0.2+2*0.4+3*0.2
=(0+0.2+0.8+0.6)
=1.6
- Find the standard deviation.
x |
P(x) |
0 |
0.2 |
1 |
0.2 |
2 |
0.4 |
3 |
0.2 |
Please find only the standard deviation of the second chart plz and thanks.
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