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(Solved): For the probability density function, over the given interval, find E(x),E(x^(2)), the mean, the var ...
For the probability density function, over the given interval, find
E(x),E(x^(2)), the mean, the variance, and the standard deviation.
f(x)=12x^(2),[-(1)/(2),(1)/(2)]
E(x)=(Type an integer or a simplified fraction.)
E(x^(2))=
◻(Type an integer or a simplified fraction.)
\mu =
◻(Type an integer or a simplified fraction.)
\sigma ^(2)=
◻(Type an integer or a simplified fraction.)
\sigma =
◻(Type an exact answer, using radicals as needed.)
