4) - Let y1, Y2, .., y, be a random sample of n observations from an exponential distribution with density f(y) = ey/R -y/ß if y > 0 1. Find the moment estimator of B. 2. Is the moment estimator unbiased? 3. Find V(B)

Q: Solve each equation with the quadratic formula. 1) 4n2- 6n = 14 2) 3x - 26 =-7x | 3) 7x =-x+ 15 4)…

A: According to our guidelines we can answer only three subparts, or first question and rest can be…

Q: 6. 5x + 6y + 7: = 62 7a + 8y + 11s = 84 -2 - 3y - z = - 29

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

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Q: 3) s-6t=-22 −3r + 4s − 6t = −1 3r3s = -24

A: We need to solve equations.    As per Bartleby guidelines we can solve one question from multiple…

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Q: How many solutions does the equation a + b + c + d + e + f = 30 have if each variable must be a non-…

A: Image is attached with detailed solution.

Q: 10. 2r + 3y +3: = 29 3r+ 4y +5z = 40 -3r - 5y - 4: =-47

A: Given2x + 3y + 3z = 293x + 4y + 5z = 40-3x - 5y - 4z = -47In matrix form the system of equations can…

Q: How many non-negative integer solutions are possible of the following equation?

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Q: 5. 16yk+2 Solve the difference equation + 8yk+1+yk = 6-k, yo = 4, y₁ = 1

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Q: 4) Translate the following statement into an equation: 3 times the sum of a number and 10 is equal…

A: statement -3 times the sum of a number and 10 is equal to 7 less than the product of 11 and the…

Q: olve by elimination (please show work) 4x-4y-3z=15 8x+4y-6z=-18 -16x+4y+2z=-42

A: 4x-4y-3z=15 .........(1) 8x+4y-6z=-18 ..........(2) -16x+4y+2z=-42.........(3)   multiply equation…

Q: 3) How many solutions does the equation a + b +c + d+e+f= 30 have if each variable must be a non-…

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Q: 3) Solve 62x-1-9.

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Q: Write a quadratic equation having the given solutions.   −6, −9       Write the quadratic equation…

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Q: Find the domain of the function. √9+x f(x)= 6-2x Write your answer as an interval or union of…

A: Since you have posted multiple question in this question which are not interlinked so i have solved…

Q: 3 4 +- =2 x-1 у+2 Solve: 7 = -3 (x-1 у+2 6

A: Topic- algebric simplification

Q: 32 Solve: +5 %3D х+4 х2-16

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Q: If the equations have no solution, determine the value of k=

A: Given linear equations are 2x+4y+8z=52x+17-ky+7z=72x+4y+12-kz=k+10 The value of k if the equations…

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Q: Five people (Alex, Byron, Chloe, Dexter, and Emily) form a club, N = {A, B, C, D, E). Chloe and…

A: Five people (Alex, Byron, Chloe, Dexter and Emily) form a club N = { A,B,C,D,E }

Q: Solve. 5x+ 3y+ z=24 - 3y + 2z = -6 14x- 2y+ 3z 26 The solution set is (Type an ordered triple.)

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Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.