Suppose that X and Y are jointly distributed random variables such that E(YX)=a+bX. (1) Express a and b in terms of Us Oy: (2) If b=0, are X and Y independent? Why or why not? and Oxy

Q: a (1, 0, 1), b = (2, 1, −1) and c = (1, -1, 4). Calculate |ax (b+c)].

Q: Verify the following identities. Be sure to show all steps in a clear and neat sequence. 1. sin x +…

Q: Evaluate dz. 23 x2+1

Q: y" - y' - 12 y = e^(x/3)-e^(-x/3) A) Find the complementary solution of this homogeneous equation B)…

Q: Let A = {1, 2, 3, 4, 5, 6, 7, 8}, let B = {2, 3, 5, 7, 11} and let C = {1, 3, 5, 7, 9}. Find (A U B)…

Q: I need help with parts a-c

Q: We expect a car's highway gas mileage to be related to its city gas mileage. Data for all 1198…

Q: I neeed help with answering quesition 8 part a and b

Q: 6. Which expression is the simplest form of V12+ V48

Q: you have to show ur work

Q: Multiplt. 3i(4-i)

Q: Let ū = (3, – 4, – 10) and i = (– 7, – 2, 0). - 2ü + 20 (-8,-12 - 20)

Q: ニ

Q: Find Jul, Ivl, 12u[, , lu + vl, lu - vl, and Jul - Ivl. u - (1, -4), v= (-10, –10)

Q: FinD Z 1. to #a-z°

Q: can you give me written work i cant make heads or tails of the typed part

Q: Show that 1 -2 = R³. span 3 1

Q: G (5,8) H (4,-5) J (17,-6)