w-awu.aleks.com/alekscgi/x/Isl.exe/10_u-IgNslkr7j8P3jH-lvTtV_fZtSyVRXFI9F_OAHM6Rx2f6TnS_nmDK71YCBGk4c57VgDHueXbUhbvYbl Week 2 Homework Question 11 of 20 (1 point) | Question Attempt: 1 of Unlimited Let X be a random variable with the following probability distribution. Value x of X P (X=x) -20 0.05 -10 0.40 0.15 0.25 0.15 Complete the following. (If necessary, consult a list of formulas.) (a) Find the expectation E (X) of X. X E (X) = 1 6 ? (b) Find the variance Var(X) of X. var (X) = [ Check 2021 McGraw Hill LLC. All Rights Rese