Consider the new random variable Y = -X. Find Cov(X, Y). How does it compare with Var(X)?

Question:

Consider the new random variable Y = -X. Find Cov(X, Y). How does it compare with Var(X)?
Consider any random variable X that has a finite expectation and variance.
Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Question Posted: