Linear Combinations 2.4 multiples of normal

Multiples of normal distributions

[Jmain]

I think there is an error at around 5:40, I think you did the calculation correctly then changed it so it is now wrong,                   
2^2 + 1.5^2 x 1.5^2 = 4 + 2.25 x 2.25 = 9.0625 which is mostly what you had.
- Jesse