2) If Y₁, Y2.....Yn denote a random sample from the normal distribution with known mean μ = 0 and unknown variance o2, find the method-of-moments estimator of o2.

Q: 2x^2 + y^2=18 xy=4

A: Given 2x2+y2=18    ......1xy=4   ....2

Q: 7z^2 = 252 z = and z = (both answers of z are required)

A:

Q: hat the width is 3 cm less than th he height is 2 cm more than trip Vrite the equation for the…

A: Please refer to the image below

Q: 18 сm 14 cm 14 cm Volume = cm^3

A:

Q: у" - у' — 2у %3D —4

A: To solve the given ODE.

Q: Auxiliary Equation: Solve the following: (D^4 − 13x^2 + 36)y = 0

A: To Determine: solve the following  Given; we have an auxiliary equation (x4-13x2+36)y=0 Explanation:…

Q: 5 R BIN frotter G.

A: Given query is to find the equation of the graph.

Q: a rectangle has area x^3+3x^2-18x in^2 and width x+6. What is the length in inches.

A: Area of rectangle = length × width Since , the area of rectangle and width of rectangle is given, so…

Q: Need help with solving/graphing these equations. x-y=3 y=x^2-3

A: Substitute y = x^2 - 3 in the equation x - y = 3 as follows.

Q: Integrate Sx? + 3x² + 6x) dx

A:

Q: x^(2)+y^(2)=25 8 units left and 4 units down

A: Given Equation:- x2+y2=25

Q: e 2x^2 - 7x - 15

A: Introduction: Equations in mathematics aren't usually about balancing both sides with a 'equal to'…

Q: Solve the equation : y^4+4y^2-5=0 answer should be -2+i but I need an explanation

A:

Q: 7 X 4x³²-1 + x²y + 1

A:

Q: dx 36-12x2

A:

Q: 2. Find the relative extrema of y = 3x - 5x3 – 225x1 + 70x2 + 23

A:

Q: 13.) Integrate: (3x² - 5x+7)

A: Introduction: “Integration is the process of finding the function from it's derivative and this…

Q: у" + 10y" + 25у" %3D0

A: Given the differential equation y'''' + 10y''' + 25y'' = 0. Here the auxiliary equation is m4 + 10m3…

Q: -8 ventex= X -int=

A: The given quadratic function,   f(x)=2x2+6x-8

Q: 2xy- 7x -1 and y = 3

A: Given 2xy-7x   for x=-1 and y=3

Q: A right-angled triangle has an area of 30 cm^2. The width of the triangle is n+5 cm. The height is 7…

A: Given: Width=(n+5)Height=(n+5)-7=n-2Area=30cm2

Q: 4 4x2 + dx

A:

Q: X^2+11х+30-0

A: This is a question of solving quadratic equation

Q: Hi, I am unable to click on link to follow steps since the work is show as an image. Can someone…

A: Taylor expansion of f at x=a : f(x) ≈ ∑n=0∞ fn(a)n!(x-a)n = f(a)+f'(a)(x-a)+f''(a)2!x-a2+...

Q: 8 mm 12 mm 2 mm Volume = mm^3 10 mm 3 mm

A: Volume of given figure

Q: Solve for X and Y in the simultaneous equations below;   S^2X+SX+SY=S S^2Y+SY-4SX=-S

A: for the value of X and Y ,solve the given two equation ....

Q: I don't understand why (-2a^2)/i=i2a^2. Can you please explain it to. Thank you

A:

Q: 1. Find the relative extrema of y = 60x1 + 34x2 – 4x1X2 – 6x – 3x3+5 - -

A: Explanation of the answer is as follows