- #1
semidevil
- 157
- 2
ok, so to find the expected value of fy(Y) = 3(1-y)^2 for 0 <= 1 <= 1
I thought the formula is y * fy(Y) which is the intgeral from 0 to 1 of y* 3(1-y)^2. right?
the book says the answer is 1/4...but I get a whole number answer...
I thought the formula is y * fy(Y) which is the intgeral from 0 to 1 of y* 3(1-y)^2. right?
the book says the answer is 1/4...but I get a whole number answer...