Math Help Forum - View Single Post - Continuous Random Variable question. Could you help?

db5vry · #5 June 6th, 2009, 06:29 AM

Quote:

Originally Posted by mr fantastic

$\frac{6}{5} \left[\frac{x^2}{2} - x \right]_1^2 \neq 3$ . Check your arithmetic.

So you take the $\frac{6}{5}$ out as a constant! If I do that then I get $0 - - \frac{3}{5}$ and an answer of $\frac{3}{5}$ . Is this correct this time?
I will get there in the end. Thanks for pointing this out