Suppose X and Y are independent with EX = 1, EY = 2, var (X) = 3 and

var (Y ) = 1. Find the mean and variance of 3X + 4Y − 5

var (Y ) = 1. Find the mean and variance of 3X + 4Y − 5

### Recently Asked Questions

- Consider a normally distributed population of scores with a mean =100 and a standard deviation μ σ X = 10 . Which mean has proportion 0.65 above it sample

- Researchers conduct a study to determine whether an online statistics course is superior to an in-class course in terms of success on the AP Exam . They

- If Z is distributed as , find 1 , 0 N