7. A distribution is given with random variables X = 5, 6, 7, 8, 9. The probabilities are as follows; P(5) =0.2, P(6)=0.25, P(7)=0.38, P(8)=0.1, P(9)=0.07. Find the mean, variance, and standard deviation of this distribution.

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6th Edition
ISBN:9781119256830
Author:Amos Gilat
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econds ago
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7. A distribution is given with random variables X = 5, 6, 7, 8, 9. The probabilities are as
follows; P(5) =0.2, P(6)=0.25, P(7)=0.38, P(8)=0.1, P(9)=0.07.
Find the mean, variance, and standard deviation of this distribution.
3:20 AM
P Type here to search
W
36°F Mostly clear
12/15/2021
II
!!!
II
lilı
Transcribed Image Text:STATISTICS.docx - Google Docs + A docs.google.com/document/d/1Xgqq34HC4kub_OY7HprnxliVKF2wTIZI/edit econds ago В I U A E E 11 + + 1 I 1 6 I 7 7. A distribution is given with random variables X = 5, 6, 7, 8, 9. The probabilities are as follows; P(5) =0.2, P(6)=0.25, P(7)=0.38, P(8)=0.1, P(9)=0.07. Find the mean, variance, and standard deviation of this distribution. 3:20 AM P Type here to search W 36°F Mostly clear 12/15/2021 II !!! II lilı
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