1. Find the mean and variance for the distribution of random variable X whose density function is f(x). 1) = { ² x ²0 - ² 0 f(x, y) 16 Mean: x>0 elsewhere Variance:

Q: 1. An instrument is used to measure very small concentrations, X, of a certain chemical in soil…

A:

Q: Let the random variable X follow a gamma distribution with α = 4 and β = 4. If Y = X2 what is the…

A: Given, X~ Gammaα=4,β=4 Y=X2

Q: 2. Let X be a random variable with density function f(x) = = √ (2x3 -8x2 +5x+6), 1<x<2, 0, elsewhere…

A: given function is f(x)=

Q: The total number of hours, in units of 100 hours, that a family runs a vacuum cleaner over a period…

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A: Step 1:Step 2:Step 3:Step 4:Option(E) : correct

Q: Let X and Y have the joint pdf f(x,y)= x+y , 0<=x<=1, 0<=y<=1.    Find the marginal fx(x) and…

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

Q: 2. The continuous random variable X has density ta f(x) = otherwise (a) What is a? (b) What is the…

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Q: Suppose X and Y have joint probability density function [C(x²+y²), _if0<x<y<1, otherwise. f(x, y) =…

A: The formula to calculate the expected value of x is,The formula to calculate variance of x is,

Q: The plot below shows the probability density functions (PDFS) of three continuous random variables:…

A: Given : x follows N(6,9) y follows N(9.2.25)

Q: Suppose that X ~ N(0,1). Then, under the condition X =x for some I E R, the distribution of Y is…

A: Given: X ~ N (0, 1) To find: Marginal pdf of Y

Q: Let Xa random variable with density function f (x) = e-® . 1(0,00) (2). Determine tha density…

A: # Given: random variable x follow exponential (1) distribution then to find pdf of y=x/(1+x)

Q: A random variable has density function f(x)= = 1.6 1.2x, for 0 ≤ x ≤ 1. a) Calculate the variance of…

A: given function is f(x)=1.6−1.2x   for

Q: 10. A dealer's profit, in units of $5000, on a new automobile is a random variable X having density…

A: given function isf(x)=

Q: * The waiting time T (in hours) between each SMS you receive is random with the density function.…

A:

Q: The random variables X and Y have joint density function 2 ²²(x (x+2y), 0≤x≤1, 0≤ y ≤ 1. 3 Calculate…

A: f(x,y)=2/3(x+2y); 0≤x≤1, 0≤y≤1

Q: The density function of Xis (2(x-1), f(x)= (a) Find the mean E(4X+3); (b) Find the variance σ3x+2.…

A:

Q: Two random variables X and Y with a joint PDF f(x,y) = Bx+y for 0≤ x ≤6 , 0≤ x ≤7 and constant B…

A: Given, the joint PDF of X and Y is