Question: Let f ( x ) = 3 5 1 2 x 6 4 - x 2 2 for 0 x 8 and f ( x

Let f(x)=3512x64-x22 for 0x8 and f(x)=0 for all other values of x.
(a) Is f a probability density function?
yes
no
(b) Find P(x4).
Let f ( x ) = 3 5 1 2 x 6 4 - x 2 2 for 0 x 8 and

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