Suppose that random variable X is uniform on ​[a, b]. If P( X > 5 ) = 5/6 and P (X > 11) = 1/2, find a?   a 2 b 4 c 20 d 27 e 40

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Q: Suppose that V and W are random variables with Cov(V, W) = 0. Which of the following must also be…

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A: E(X1E(X2)=p2E(X3)=p3

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Q: Y = 0 Y = 1 Y = 2 Px(x) X = 4 1/5 1/12 1/3 X = 5 1/10 2/5 X = 6 Py(y) 3/5 3/20 1

A: Given that,  and  are independent discrete random variables with joint PMF is as follows: 1

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A: We have given that.   X~N( μ , ?^2 )   μ=1.3     , ?=5.3   Z-score =( x - μ )/?

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A: From the provided information, n = 30p = 0.40

Q: Suppose the p.d.f. of random variable X is defined as x³/20 if1<x< 3 f(x) = otherwise

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Q: 6. Suppose X is a random variable with E(X) = 4 and Var(X) = 9. Let Y = 4X + 5. Compute E(Y) and…

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Q: A discrete random variable has the p.mf f(x) = ax x=1, 3, 5 O A. 0.11 O B. 9 OC. 4.5 O D. 5

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Q: 3. Suppose X1 and X2 are independent random variables w. Let U = X1 and V = X1+X2. Find p(U, V) in…

A: Result  X1 and X2 are independent, then Cov(X1, X2)=0