X and Y are random variables such that Var(X) = 4, Var(Y) = 6 and Var(X+Y) = 16. Calculate Var(a X + b Y), where a and b are arbitrary constants. Your final answer must be an expression. Type your answer and show all your work.

Q: How do I solve

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Q: How do I solve

A: Given:  NT=21T2-80T+24 , 4<T<34 Tt=6t+1.8T

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Q: Simplify

A: we have to simplify,  -y3/2y-1/33

Q: Divide showing your work to receive full credit (a* + 45a +18a?) - 9a

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Q: 3×+5=23

A: this is a simple equation question  we will simplify by using the maths calculation rule.

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A: The formulas can be used in question given, cos(x-y) = cos x cos y + sin x sin y tan x =  sin x /…

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A: Solve the given problem.

Q: ナ -4-

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Q: perform suntraction  (5m2+7mp-2p2) - (-9m2-3mp-7p2) simplify your answer

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Q: 1. Simplify: - 8x - 5 4x- 25 4x 4х - 4 x-1

A: abcd = ab×dc

Q: How do I solve

A: 1) f(g(3))  Since ,  g(3)= 5 So,.     f(g(3))=f(5) = 1 2),  g(f(1))  Since.   f(1) = 3 Then ,…

Q: hmm how did you find out the b= 50 and a =200?

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A: The functions f(x) and g(x) are piece-wise functions. Comparing both the graphs the function f(x)…

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A: To find the composition values , 1)fg32)gf03)ff24)gg5 For finding this values from the graph we have…

Q: I don't understand the 1 and the 2 bullet

A: To check if any variables are irrelevant, we need to use regression analysis.. We will consider…

Q: 8a+5=45-a

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Q: 6=3x+115  i need this solved

A: Given, 6= 3x+115