- #1
mikebro
- 3
- 0
Homework Statement
For the random variable X with probability density function determine the distribution function F(x)
http://img20.imageshack.us/img20/3314/questiontsy.jpg
Homework Equations
Cumulative Distribution Function
The Attempt at a Solution
Integrate f(x) to get the distribution function:
F(X) =
- 0, x ≤ -1
- x[tex]^{2}[/tex]/2 + x, -1 < x ≤ 0
- x - x[tex]^{2}[/tex]/2, 0 < x ≤ 1
- 0, x > 1
The actual answer is
http://img297.imageshack.us/img297/426/answer.jpg
I understand that the equation must be integrated to get the distribution function, but where do the constants (1/2) come from and how are they calculated?
Last edited by a moderator: