=o² and these are random drawings for some population. X₂ + X3. W₂ = X₁. W3 = 0.6X1 +0.4.X2 and The rank of the statistics from most to least efficient is: 8. Given E(X₁) = μ and V(X₂) Define 4 statistics: W₁ = X₁ W₁ = 0.6X1 + 0.6X2-0.2X3. (a) W₁, W2, W3, W₁ (b) W4, W3, W2, W₁ (c) W3, W4, W2, W₁ (d) W4, W2, W3, W₁

Q: 3.5(0.3x-1.5y)-4(0.2x-1.2y)

A: According to question,Given expression,3.50.3x - 1.5y-40.2x-1.2y

Q: 3+2x7=

A: We first multiply 2x72x7=14Because of PEMDAS we multiply first.

Q: 64y2+7=32

A: 64y2+7=32

Q: 1+2x=77

A:

Q: Fnd A A= 2.

A:

Q: 1 L (s- 4)6 J

A:

Q: 4h-3=9

A: We have to find h

Q: ^2 for the scor

A: to find (sum of x)2 x= 1,5,4

Q: x+9= 12 %3D

A: Given: x+9=12

Q: 3=6

A: Suppose the empty box has value x than do the calculation.

Q: dA D

A:

Q: 8P4 11C7

A:

Q: D P•

A: CT2=CA*CB

Q: a = 2 - 9a

A:

Q: 4т V17 3

A: Modulus function always gives positive quantity in result.

Q: Find the least common denominator 1/2 and 3/4?

A: Introduction: The common multiple of an integer are the set of all those numbers divisible by that…

Q: 7k = 91

A: We will find the value of k in the following step.

Q: 2t2 – 100 = 0 %3D

A: The solution is, t = ±5√2  The detailed solution is as follows below:

Q: dy 3 メ 2

A: SINCE YOU HAVE ASKED MULTIPLE QUESTIONS IN SINGLE REQUEST, WE WILL BE ANSWERING ONLY THE FIRST…

Q: Find L s²-8

A:

Q: 5xn=25

A: 5×n = 25 To find value of n

Q: dx 4е2я — 8ет + 5

A: This question can be solved using the concept of special integrals.

Q: -2 -4 and D = 4 8

A:

Q: at 9

A: To find the given integral.

Q: H/4% 3D2%=5

A: This question is about simple multiplication.