Find a quadratic equation whose product of roots x, and x₂ is X₂ equal to 4 and satisfying the relation X₁ - + X₁-1x₂-1 T 2.

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: If W= x³y?z4 + 2xy +z Then W,(-1,1,2)= -31 ylgn C ihi C

A: True

Q: Evaluate I 5/2 U (4-u) du · Su² 3/2

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Q: 5. Determine the combination V x (Vf) given that X" + y"

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Q: What is the purpose is skewness and kurtosis

A: Here we have to describe the purpose of skewness and kurtosis

Q: AZYX = AXUT Y U 十 十 X ZZ= ? А. X B. U С.Т B.

A: As both of the triangles are congruent as given in the question so their corresponding angles will…

Q: What is the relative risk for the association between men and women vs COVID-19 infection? What do…

A: Data is given for Men and women, vs Covid infection ( Covid positive and Covid negative We have to…

Q: Find ||uLy|| in Figure u= (3, 5) = (8, 2) P. FIGURE

A: v=(8,2) u=(3,5) uv=?

Q: seclyltun Cy) -csc?(y!dy

A: Use formulas of integration to evaluate the given.

Q: Suppose Cov(X,Y) = 725. What is Cov(0.72X, 0.62Y)?

A: The objective of this question is to find the covariance of the two variables 0.72X and 0.62Y given…

Q: Find u, v, and u + v. u = (0, 1, 1, -2), (a) ||ul| (b) ||v|| I (c) ||u + v v (2, 4, 0, 1)

A:

Q: y = 6 7x, y = 67u-1 7x — 1, у %3D 6" 67*, y = u+6-1 –7x, y = 6“ 6*, y = ux-1 TEXT P = V72 + 14 7, P…

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Q: Obtain characteristics y² Uxx + Uyy = O

A: Given equation is  y2Uxx+Uyy=0 Now comparing with  AUxx+BUxy+CUyy=0 We have A=y2, B=0, C=1

Q: ulo,3) = 1+ y 1) u'xg U(x, o) = 1+x 2

A:

Q: (b) Let X = {A E Mat2(R) : A is upper triangular} and let Y = {A € Mat2(R) : A is lower triangular}.…

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Q: X」+iyュ-Xz+iy2* =xロ Y」=V,ロ しr%3DV 2.

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Q: If X = U+v , y =U-V then Show that + 2 du? = 2) ( %3D nene Than ded uce that wok cu+ v*+ (u+v) g…

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Q: dz IV100-49(In z)?

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Q: Vx(A x B)=(B-V)A-B(V-A)-(A-V)B+ A(V-B)

A: Solution

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

A: Given MA(3) process

Q: pression, discuss kurtos

A: Kurtosis is one of the measure of dispersion under the central tendency.  This give an idea of the…

Q: 4y² – 25 -dy

A:

Q: (b) Given the system of equations (7.6) on page 55 of the notes, let us write z = 1 - s. Now for…

A:

Q: Compute u X v.

A: Here given vector as u=3-12, v=011 These vectors can be written as u=3i-j+2kv=j+k

Q: c. fxV9-xdx

A: To find ∫01x9-xMethod we use substitution method

Q: Distinguish briefly the Skewness and kurtosis

A: Skewness is a measure of symmetry where symmetry means equal proportion to the left and right to the…

Q: What is the image of C? C B C' A B' A'

A: Solution is given below:

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: у" — у' — х %3D 0

A: We are given: y'''-y'-x=0⇒y'''-y'=x Auxiliary equation is : m3-m=0⇒m(m2-1)=0⇒m=0, 1, -1 Hence,  CF=…

Q: Ay l Ory"- 8y/ (ry + y) O zyy"=/ (ry + 7y) O ry" - / (8zyy) O zy" =/ (zy - 8y)

A: We will find out the required value.

Q: #21

A: Given,

Q: Find the exact extreme values of the function : = f (x, y) = (x – 5)² + (y – 1)² + 28 subject to the…

A:

Q: Suppose Cov(X,Y) = 65. What is Cov(0.46X, 0.39Y)?

A: The objective of this question is to find the covariance of the two variables 0.46X and 0.39Y given…

Q: Sueptont 12 (nes) (neu)

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Q: Compute u X v.

A: Here given vector u=-123, v=2-4-6 Now it can be written as u=-i+2j+3kv=2i-4j-6j Thus vector uXv is…

Q: Make your own 2 example of skewness and kurtosis

A: we study skewness to have any idea about the shape of the curve . Kurtosis enables us to have an…

Q: P0HXでにん スXt1ocx

A:

Q: is dadt da/dt? and is drdt  dr/dt and is w.r.t t  wxrxtxt ?

A:

Q: Suppose Cov(X,Y) = 725. What is Cov(0.72X, 0.62Y)?

A: The objective of this question is to find the covariance of the two variables 0.72X and 0.62Y given…

Q: And a. he minor of the element in the i li, ro Column of ass the deferminant of A, find

A: