SOLUTION: Complete the PDF table below if you know that σ_X=1.06752. S a b c d e f g h PDF 0.01 0.05 0.2 0.55 0.05 0.01 X 1 2 3 4 5 6 7 8

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Question 1084913: Complete the PDF table below if you know that σ_X=1.06752.
S a b c d e f g h
PDF 0.01 0.05 0.2 0.55 0.05 0.01
X 1 2 3 4 5 6 7 8

Answer by Fombitz(32388)   (Show Source): You can put this solution on YOUR website!
You can calculate the mean,


and then calculate the variance,

and you know that,




.
.
And now for the easy part.
You also know,


OK, so the first part leads to the equation,

Solving for the intersection of those numerically,


.
.
.
.

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