Let Y be a random variable with pdf
fY (y) = − π/8 sin (πy), if − 1 ≤ y ≤ 0
c sin (πy), if 0 ≤ y ≤ 1
0, otherwise.
(a) What is c?
(b) What is Fy(y), the CDF of Y ?
(c) What is E[Y ]?
(d) What is P(Y > 0)?
(e) What is P(Y > 1/2|Y > 0)
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