Find the PDF fW(w) of the random variable W.
Q6: Random variable Y has the probability density function,
fY(y) = { kye^(-y/3), y >= 0
{ 0, otherwise
Find the following
(a) Find the constant k.
(b) Find the cumulative distribution function FY(y).
(c) P(0 <= Y <= 9)
(d) P(-5 <= Y <= 5)