Question: Question 3 : Let U be a random variable with the following probability density function: f U ( u ) = { - 2 u

Question 3: Let U be a random variable with the following probability density function:
fU(u)={-2uk1,-2u-12uk2,1u40,else.
a. Determine k1 and k2, if k1=3k2.
b. Find E(U).
c. Find cumulative distribution function(cdf), i.e.FU(u).
d. Find P(U-1|U3).
Question 3: Let U be a random variable with the following

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