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Engineering, 13.03.2021 03:20 Maryjasmine8001

If f( x
) =


[
[
find the E (
) and var(a)​


81 {x}^{2}
0 < x <  \frac{1}{3}
x

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Answers: 2

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If f(
) =




[
[
find the E (

) and var(a)​...
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