The following table contains the probability distribution for the number of traffic accidents daily in a small town. I need to find the standard deviation [NOTE - I already found the mean of 1.68) Number of Accidents Daily P(X=Xi) .27 1 .34 .14 3 .08 4 .07 .06 .04

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3:38
O ANSWERED
Wednesday, Feb 24, 2021
MATH • STATISTICS
The following table contains the probability
distribution for the number of traffic accidents
daily in a small town. I need to find the standard
deviation [NOTE - I already found the mean of 1.68)
Number of Accidents Daily
P(X=Xi)
.27
1
.34
2
.14
.08
4
.07
.06
6.
.04
Expert Answer
Step1
a)
Mean, E[X] = 1.68 (already found)
E[X³] = E; a°p(x)
Transcribed Image Text:3:38 O ANSWERED Wednesday, Feb 24, 2021 MATH • STATISTICS The following table contains the probability distribution for the number of traffic accidents daily in a small town. I need to find the standard deviation [NOTE - I already found the mean of 1.68) Number of Accidents Daily P(X=Xi) .27 1 .34 2 .14 .08 4 .07 .06 6. .04 Expert Answer Step1 a) Mean, E[X] = 1.68 (already found) E[X³] = E; a°p(x)
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