Let X1 and X2 be discrete random variables with joint probability distribution x1 = 1, 2; x2 = 1, 2, 3, f(x1, x2) = 10, 18 elsewhere. Find the probability distribution of the random variable Y = X1X2.

Q: C. Find the mean of X of the probability distribution of the discrete random variable X. 3-x 3 f(x)…

A: Given that ; A discrete  probability mass function (pmf) is given here.  By comparing the pmf  of…

Q: The probability distribution of the discrete random variable X is: f(X) = k2³-x , for x = 4,5, 6, 7…

A: Hello! As you have posted 2 different questions, we are answering the first question 1  with 3…

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Q: Let X and Y be two discrete random variables with a joint probability distribution given by X=0 X-2…

A: Given :   X=0 X=2 X=4 Y=1 0.03 0.02 0.1 Y=3 0.15 0.2 0.1 Y=5 0.2 0.15 0.05

Q: Let X be a discrete random variable with probability distributio P(x) = c (1/3) *, x= 0, 1, 2, ..

A: X will consider discrete probability distribution if:

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Q: Let X be the random variable with the cumulative probability distribution: 0 F(x)= 1 = {xx ²₁ x 2…

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Q: Let Y1, Y2, Y3 be independent binomial random variables with probability of success, p=0.4, and…

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Q: Let Y be a continuous random variable where 1 ,-3< y< 15 f(y) = {18 0 ,otherwise Then expected value…

A: Let  y be a contineous random variable wherefy=118,-3≤y≤150,     otherwise

Q: Let X1, X2, X3, X4 be independent random variables of size 4 from a gamma distribution G(a, X) : -…

A: We want to find the expected value E(Z)=X1+X2+X3+X4

Q: Let X1, X2, X3 and X4 be a random sample from population with pdf X, 0 < x < 1 fx(x) = |0,…

A: Given information: The probability distribution function is fXx=x,    0&lt;x&lt;10,    otherwise.

Q: Let X and Y be independent random variables distributed as N(-1, 1) and N(1, 1), respectively. .…

A: X follows a  normal distribution with , µ= -1 , σ= 1. Y follows a  normal distribution with , µ= 1 ,…

Q: Let X be a random variable with PDF fx(x) = x > 0, %3D DDR

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

Q: Let X, and X, be independent random variables. Suppose the mean of X, and X2 are 5 and 2; and…

A: Given, Let X1 and X2 are the independent random variables Suppose, the mean,  E(X1)=5  E(X2)=2  The…

Q: Let X1, X2,..., Xn ~ N(μ, 0²) independent random variables. Find the distribution X+X2+…+Xn X= = n…

A: Given Xi~N(μ, σ2) be the iid and i=1,2,...,n  Result: X and Y are independent then E(XY)=E(X)E(Y)…

Q: Let X1, X2, ..., Xn be independent random variables and Y = min{X1, X2,..., Xn}. n Fy(y) = 1 – II (1…

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Q: Let X and Y are two independent random variables with probabilities P(X) = {0.25,0.45,0.3} and P(Y)…

A:

Q: Let X ~ U(a,b). Use the definition of the mean of a continuous random variable to show that μX =…

A: The mean of the uniform continuous random variable can be calculated as:

Q: Find the Mean of f(x), where f(x) = 6X+6. The probability distribution of a random variable X ; if X…

A: Mean is an average value around which the whole data set is concentrated.…

Q: Suppose the discrete random variable X has probability function 1. px(1) I = 1,2, 3, I(I +1)"

A: Given  :    pxx  =1xx+1,  x=1,2,3,...

Q: Let Z and Y be discrete random variables taking values 0 with the corresponding distributionms P(Z =…

A: Note: Hi there! Thank you for posting the question. As you have posted multiple questions, as per…

Q: The common probability function of the random variables x1 and x2 is as follows (X1x2 X1 = 1,2,3 X2…

A: Y1=X1X2  then, possible values of y1 is as follows: Y1 1 2 3 4 6 9 Situations (Total…

Q: Let X and Y be random variables having the same distribution. 1 If X and Y are independent, show…

A: Given that  Let X and Y be random variables having the same distribution.If X and Y are independent,…

Q: Let Xo, X1, X2, ... be independent random variables such that X, has an exponential distribution…

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Q: If X is a uniform random variable over the interval (8, 12), find E[X]

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Q: random variable

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Q: Let X be a random variable with p.d.f. 3e-3x f(x) = { 0 <x<00 , find E(x) O.w

A: Hello. Since your question has multiple parts, we will solve first question for you. If you want…

Q: The discrete random variable X has the probability function, where k is canstant kx x=2,4,6,8, 10 f…

A:

Q: If X1 and X2 are independent random variables with distribution given by P[Xi] = −1 = P[Xi = 1] =…

A: Construct the PMF of X1X2, So, P(X1X2 = x) = P(X1=1, X2 = 1) +P(X1=-1, X2 = -1)    if x =1P(X1=-1,…

Q: Let X and Y be two discrete random variables with a joint probability distribution given by X-0 X-2…

A: Given Distribution,   X = 0 X = 2 X = 4 Y = 1 0.03 0.02 0.1 Y = 3 0.15 0.2 0.1 Y = 5 0.2…

Q: Let X and Y be two random variables with E (X) = 1, E (Y) = 2, Var (X) = 1, Var (Y) = 2, !! Cov (X,…

A: Given that the mean of aX+bY is 3  So,  E(aX+bY)=3aE(X)+bE(Y)=3a(1)+b(2)=3a+2b=3a=3-2b ..........(Eq…

Q: Let X1, X2, X3 and X4 be a random sample from population with pdf 0 < x < 1 X, fx(x) = 0, otherwise.…

A:

Q: Let X and Y be two discrete random variables with a joint probability distribution given by X-0 X-2…

A: We have to find P(X ≥ 0,  Y &lt; 3) with the help of given joint probability distribution.

Q: Find the distribution of Z X+Y, if X and Y are jointly continuous random variables F given by

A: Given information: The joint probability density function of the random variables X and Y is given.

Q: Let be a continuous random variable whose cdf is F(x ). Then P(X=0)=.... ... .A .B 1 .C F(x) .D…

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Q: Let X be a random variable with p.d.f. x =1,2,3,4 f(x) =- , find Var(x) O.w

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Q: Let X1, X2, ..., Xn be a random sample from the population N(Ha,02) and Y1,Y2,..., Ym a random…

A: Given information: Given that X1, X2, … , Xn be a random sample from the population N(µx, σ2) and…

Q: Let X be a discrete random variable with probability function f(x) = kx for x = 1,2,3,4. The value…

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Q: Let X1 and X2 be continuous random variables with the joint probability - function fx1,x,(x1, x2),…

A: Hello! As you have posted 2 different questions, we are answering the first question (2.2.5). In…

Q: Let X and Y be two discrete random variables with a joint probability distribution given by X=0 X-2…

A: Given Data:   x=0 x=2 x=4 y=1 0.03 0.02 0.1 y=3 0.15 0.2 0.1 y=5 0.20 0.15 0.05

Q: Let X be a random variable with p.d.f. 2e-2x 0< x<00 f(x) = , find E(x). O.w

A: We know that, E(x)= integration |x X*f(x) dx

Q: Let X and Y be two discrete random variables with a joint probability distribution given by X = 0…

A: Here, X&gt;0 means X=2 and X=4. And Y≤3 means Y=1 and Y=3.

Q: Let X and Y be two discrete random variables with a joint probability distribution given by X=0 X-2…

A: Given,   X=0 X=2 X=4 Y=1 0.03 0.02 0.1 Y=3 0.15 0.2 0.1 Y=5 0.2 0.15 0.05

Q: Let X be a Poisson random variable with parameter 1> 0. (a) Calculate EX, EX(X – 1) and EX(X – 1)(X…

A:

Q: Let X and Y be independent random variables distributed as N(-1, 1) and N(1, 1), respectively. Find…

A: Given: X follows a  normal distribution with mean -1 i.e. µ= -1 and the standard deviation of 1 i.e.…

Q: Let X and Y be random variables having the same distribution. Show that Cov(X +Y, X – Y) = 0. |

A: Given that  X and Y are same distribution thenE(X2)=E(Y2) , E(X)=E(Y) Show that Cov(X+Y,X-Y)=0

Q: (a) What is the probability that X + Y > 1.

A: Exponential distribution is widely used in statistics . It has the unique lack of memory property .

Q: Let Y be a discrete random variable.  Let c be a constant.   PROVE  Var (Y) = E (Y2) - E (Y)2

A: We have to deduce the formula of variance.