Suppose that Cov(X, Y ) = 5. What is Cov(3X + 4, 9Y )?

Q: Suppose Cov(X,Y) = 231. What is Cov(8.6X, 3.4Y)?

A: The objective of this question is to find the covariance of the two variables 8.6X and 3.4Y given…

Q: Integrate (2sinx+3cosx)2

A: Integrate (2sinx+3cosx)2

Q: Suppose that Var(X) = 742.23, Var(Y) = 8890.5, and Cov(X,Y) = 2191.72. What is Var(.51X + .49Y)?

A: The objective of the question is to find the variance of the linear combination of two random…

Q: S-メー1)J r8-2) Cx+3) Cx+V)

A: Given,        ∫x2-x-1x-2x+3x+4dx

Q: m) Linearize : -3x 天ェ_= around %31

A:

Q: What is the coefficient of x2y" in (5x- y)°?

A:

Q: solve For B, and B₂ 0 = -22 0 = = 2 2 i=1 Xii lyi - (B₁ Xii + B₂ Xiz)) x ₁₂ (y₁ - (B₁ Xi₁ + B₂ Xiz))

A: Given system of equations0=−2∑i=1nXi1(yi−(β1Xi1+β2Xi2))0=−2∑i=1nXi2(yi−(β1Xi1+β2Xi2))Which can be…

Q: iate ſ In(x + v1 +x²)dx

A:

Q: sVx? + 1d: Idx = 1

A:

Q: a dx Evaluate (4a² +9x*)

A: This question is based on Indefinite Integration.

Q: 13 |xsin xdx ーT 15 (xsin xdx

A: I=∫ x sinx dxIntegration by parts;u=x, v=sinxI=x∫sinx dx-∫(1 ∫sinx dx) dxI=-x cosx +∫cosx dxI=-xcosx…

Q: that Var(X) = 727.48, Var(X) = 9536.23, and Cov(

A: Given,           Var(X) = 727.48, Var(Y) = 9536.23, and Cov(X, Y) = 2236.37 To the value of…

Q: Show that In (x+ Vx? + 1) x2 x + Vx2 + 1 dx x + / 2v x² + 1 X + V x2 + v2 +1 + 1 Vx+ 1 x2 + 1

A: This is a derivative problem

Q: 2sin2y=2cosy

A:

Q: (х + 3)dx бх — х2

A: ∫ (x+3)dx/(6x-x2) ∫ (x+3)dx/x(6-x)  -∫ (3/2(x-6) - 1/2x) dx  -3/2∫ dx/x-6 + 1/2∫dx/x {ln(x) -…

Q: tnx Find if u=5 y=

A: The expression of dydxfor the following function needs to be evaluated : y = ln(x)x5

Q: (13r-7) (&r-2)

A:

Q: Suppose Cov(X,Y) = 590. What is Cov(1.7X, 3.1Y)?

A: The objective of this question is to find the covariance of the two variables 1.7X and 3.1Y given…

Q: Find dx (9x² + 16 1 1 - In |3x + V16 + 9x²| + c -In |3x – V16 + 9x²| + c Option 2 Option 3 1 1 In…

A:

Q: If (4x + xy):(5xy - y*) = 12:5, find x: y

A:

Q: 6x? + Sx t 16 dx +2x +6 x + 3? a.Sinlat3l+; 4 Cが)返が)+c er none

A:

Q: Why do we get cov(y0, y0) instead of cov(yt, yt)

A: Given MA(3) process

Q: Suppose that Var(X) = 861.99, Var(X) = 9517.33, and Cov(X,Y) = 2449.18. What is Var(.37X + .63Y)?

A: Solution

Q: Y2-1 dy

A: Follow the procedure given below.

Q: Calculate the length of PQ where P = (-2,1,6) and Q = (-3,4, –1).

A: We will find the length of PQ→ in the following step

Q: If fxy (x, y) = , ,0 2) =

A: Given,fXY(x,y)=x+y27 ; 0<x<2 , 3<y<5

Q: Suppose Cov(X,Y) = 419. What is Cov(19X, 71Y)?

A: The objective of this question is to find the covariance of the two variables 19X and 71Y given the…

Q: 1 dx 5x² – 3 Find |

A: ∫1x5x2-3dx

Q: loga sin (V)|] dz

A: We have to find derivative.