5. Suppose that X is a discrete random variable with probability density function p(x) = cx², x = 1, 2, 3, 4. . Е(XX — 1). Select one: O a. none O b. 342.8 О с. 354 O d. 350.6

Q: 8. Suppose that X is a discrete random variable with the following probability mass function. X 1 3…

A: Consider, f(5)= a and f(6)=b We want to find, a and b We have given that, μ= 2.64

Q: Suppose the joint probability distribution of X and Y is given by f(x,y) = x+y , for x 2, 3, 4, 5; y…

A:

Q: 11. The joint probability distribution of the random variables X and Y is f(x, y). Find the…

A: Joint probability density function explain the probability occurrence of two variance. Marginal…

Q: 4. A random variable X has the following probability mass function (pmf): X takes values in…

A: Probability mass function :  ; { n = 1,2,3,....10 } We have to calculate value of A . Concept : (…

Q: Q5. A box of 10 transistors is known to contain 2 that are defective. The transistors are to be…

A: A box contain 10 transistors is known to contain 2 that are defective.N (sample size)=10d(no.of…

Q: f (x) { kx, -1 < r < 1 0, kx², -1 <x < 1 = elsewhere

A: Answer - Given X has a probability density function               f(x)   = k x2                -1 ≤…

Q: Let X be a continuous random variable with the p.d.f f(r) = a2/24, if -2 < a < 4, and zero…

A:

Q: What is the expectation (to 2 decimal places) of Y? ELY

A:

Q: 24. Let X1, X2, .., X 100 be a random sample of size 100 from a distribution with density S(2) = {6…

A: Given that the pdf of random variable X is f(x)=e-λ*λxx!                ; for x=0,1,2,......0…

Q: Compute Var(X).

A:

Q: Suppose that Y ~ Exponential(B) and suppose that X is a continuous random variable recording the…

A: # random variable y follow exponential (beta)  X be the area of circle with radius y  X=π*y^2  Then…

Q: P((0)) ==P((1)). les X and Y that have the same distribution (i.e. the same probabi X(w) #Y(w) for…

A:

Q: continu ous rañdôm Värläble 6. (z+2) if -2 <I<1 f(1) 0. otherwise. Find the cumulative distribution…

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Q: An insurance company offers its policyholders a number of different premium payment options. For a…

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Q: Consider the formula: P(x) = x2/21, x = 0, 1, 2, 4. Is P(x) a probability mass function? If so, show…

A: Solution: 9. From the given information,

Q: 2. Suppose that the random variable X has the discrete uniform distribution [1/4, x=3,4,5,6.…

A: Answer:- Given the random variable X has the discrete uniform distribution ƒ(x) = 1/4 , x= 3,4,5,6…

Q: 9. Consider the formula: P(x) = x/21, x 0, 1, 2, 4. Is P(x) a probability mass function? If so, show…

A: 9. The given formula is Px=x221,x=0,1,2,4.

Q: Let X ~ Poisson(A) and Y independent. Use probability generating functions to find the distribu-…

A: Solution: Let X~Poisson ( λ)  The probability generating function of X is  PX(t)= e-λ(1-t)  If…