Find E(x),

E(x2),

the mean, the variance, and the standard deviation of the random variable whose probability density function is given below.

f(x)=1882x,

[0,42]

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E(x)=enter your response here

( integer or a simplified fraction.)

E(x2)=enter your response here

( integer or a simplified fraction.)

=enter your response here

( integer or a simplified fraction.)

2=enter your response here

( integer or a simplified fraction.)

=enter your response here

( exact answer, using radicals as needed.)