If X is a random variable with probability distribution shown below, find E(X). x Pr[X-x] -2 0.1 0 0.3 1 0.6

Q: IV. Find the mean of the probability distribution: X· P(X) P(X) 3/50 21/50 11/50 3/25 3/50 3 4 5…

A: Given :

Q: Let X be a random variable with probability distribution as shown below: -1<x<2 f (x)={3 and…

A:

Q: Please help me understand set theory.

A: The set theory is a mathematical theory which includes well-determined collections of…

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A: Given that the pair of dice was thrown then the outcomes will be…

Q: Let X be a random variable with the probability distribution below. Find E(X) and E (x²) and then,…

A: From the provided information,The probability distribution is as follow:x-369f(x)1/31/21/6

Q: The values of x and their probabilities are listed below.  Calculate the intermediate products to…

A: x P(x) xP(x) 32 0.07 2.24 34 0.12 4.08 36 0.24 8.64 38 0.25 9.5 40 0.32 12.8 Total…

Q: Let X be a random variable with the following probability distribution. Value x of X P(X=x) -3 0.40…

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Q: Given the random variable X with distribution. x P(X = x) 0 0.15 0.5 0.24 1 0.09 1.5 0.34 2.0 0.18…

A: Answer  Given  x P(X = x) 0 0.15 0.5 0.24 1 0.09 1.5 0.34 2.0 0.18

Q: Let X be a random variable with p.d.f f(x) = c+ 1.2x2,0<x< 1. Find a constant c if E(X) = ! 0.6 0.4…

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Q: Let X be a random variable with the following probability distribution. Value x of X P(X=x) -20 -10…

A: According to the given information, we haveThe probability distribution table for the given random…

Q: Find the mean, E[X], and variance, E[X2] - E[X], of a Uniform[a, b] random variable.

A: Given that X follows Uniform (a,b)  We have to find E(X) , Variance and E(X2)-E(X)

Q: Let X ∼ U(a, b). Use the definition of the variance of a continuous random variable (Equation 2.38…

A: The mean of X is given by:

Q: Find the E(X) of the random variable X with the following PDF: ƒx(x) = ²/2 I[0,1] (x) + ½ 1(1,2) (x)…

A: Let X be random variable with pdf

Q: et X be a discrete random variable with P(X = -2) = .1, P(X = 1) = .15, P(X = 2) = .4, P(X = 4) =…

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Q: What are the three requirements of linear regression?

A: these are the following three requirement of linear regression

Q: Биррose X1, Xz,. ,Xn be i.i.d. random variables with X; ~ exp(A). Find the distribution of E" X; and…

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Q: A probability distribution is given. -1 POO 0.2 0.3 0.5 Find caf. Xs-1 0.2 -12 Xs-1 0.2 -12 x<-1 0.2…

A: The cumulative distribution function is on the real number line and it is a non decreasing function…

Q: discrete random variable X has the following probability distribution.  x 0 1 2 3 P(X=x) q 4p2 p…

A: The provided probability distribution is, x 0 1 2 3 P(X=x) q 4p2 p 0.7 - 4p2

Q: 1. Find the value of c. 2. Find the expectation E[X] of X. 3. Find the variance Var(X) of X. (c,…

A: The provided information is as follows:The  is a random variable with the probability density…

Q: fa family now li wo years from now? A suburban area? A rural area? uppose that at present, 40% of…

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Q: For the discrete random variable X, P(X = 1) = p = 1 – P(X = -1). Please find c so as to be E(cX) =…

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Q: Compute P(X) using the binomial probability formula. Then determine whether the normal distribution…

A: Given: n = 42 p = 0.6 q = 1-p = 1-0.6 = 0.4 q = 0.4 Formula Used: Probability mass function of…