Given X and Y two random variables such that EX-2 and EY and CONCY Then E(XY) is equal to: a) 7 b) 17 d) None of the answers c) 5

Q: [15 4 0 2 0 1 1 4 1 The nullity of A= Select one: а. 3 b. 1 C. 4 d. 2

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Q: Find sd. C Crition vafue 8) The differences betv

A: Solution: x x-ˉx=x-0 (x-ˉx)^2 -2 -2 4 2 2 4 -2 -2 4 2 2 4 --- --- --- ∑x=0 ∑(x-ˉx)=0…

Q: The value of E(4M² + 2) is:-

A: Given that,The discrete random variable M has:

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A:

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A:

Q: the joint P. d.f. of two Suppose that random variables x and Y is as follows: f caes y) - for…

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A: From provided information, a=17, c=43, m=100, X0=31 Linear congruential generator is an algorithm…

Q: b) The events M and Y are independent such that P(M) = a,P(Y) = 0.3, and P(M n Y) = 0.15. i) Find…

A: b)GivenP(M)=aP(Y)=0.3P(M∩Y)=0.15

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A: We will find out the required values.

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Q: Q12. For the joint random variables, X and Y, E(X) = 4, E(Y) = 6, V(X) = 2, V(Y) = 4, Cov(X,Y)=-2.…

A: V(X)=2, V(Y)=4, Cov(X,Y)=-2

Q: Choose UTE Com ) Let X.XX, be a random sample from n(u,100). If P(u-5<X <u+5)=0.9042, then he value…

A: Hello! As you have posted more than 2 different questions, we are answering the first question. In…

Q: Construct a scatterplot for the given data. 9|-20 |-11 x 15-14 -18 12) y l-96 25 45 -42 92 5.

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A:

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A: @solution:::

Q: The condition for skewness is Positively skewed Negatively skewed Not skewed All of the above

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Q: c) Let X and Y be two discrete random variables. We define Z = X + Y , i.e. Vw e Ω,Ζ(ω) -Χ(ω) + Υ(ω)…

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A: The study is about the population variance.

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A: As per our company guidelines we are supposed to answer only first question. Kindly repost other…

Q: I PxY (xy) Consiter the followihg pdf: 2 -2 3 ad Find the variance of random varibles x and Y, b.)…

A: "Since you have posted a question with multiple subparts, we will solve first 3 sub-parts for you.…

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Q: 3. Hand in Use mgf's to prove that if X1, X2, X3, X4 are independent n(0,1) random variables, then U…

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Q: 1. Let X₁ and X₂ be any random variables, then V(X₁ + X₂) must be: A) greater than V(X₁) + V(X₂). B)…

A: Variance is the measure of dispersion which is used to determine the spread of the distribution.

Q: 2. Let X and Y be random variables. Prove that px,x| = 1 if and only if Y = a +bX for some a, b E R.

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Q: E) None Q. Ten: Random variables X. Y are independent with E(XY) = F and X=2. then Y = A) O B) 1 D)…

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Q: Suppose that the joint CDF of the random variables X and Y is given by: 0, x < -2 or y < -5

A: Given that Consider, the density function,

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Q: If random variable X is such that E[(X-1)]=10, E[(X-2)] = 6, what is σ'

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Q: 2. Let X,Y: → R be simple random variables. Show that X+Y and XY are also simple random variables.

A: Random Variable :- A random variable is a function from sample space Ω  into the real numbers. To be…

Q: I) Let X,, X2, X, be a random sample from n(u,100). If P(u-5< X < +5) = 0.9042, then the value of n…

A: From the given information, The sample size is n.