Let X be a random variable with the following probability distribution. Value x of X P(X=x) 2 0.05 3 0.05 4 0.05 5 0.85 Complete the following. (If necessary, consult a list of formulas.) (a) Find the expectation E(X) of X. E (X) = 0 (b) Find the variance Var(X) of X. Var(x) = ☐ Check B X G

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

A: Let  be a random variable with the following probability distribution.Value x of…

Q: Let X be a random variable with the following probability distribution. Value  x  of  X P=Xx 20 0.35…

A: The probability distribution of X is, X P(X) 20 0.35 30 0.1 40 0.25 50 0.3

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

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Q: Let X   be a random variable with the following probability distribution. Question table Value…

A: 20 0.3 6 400 120 30 0.05 1.5 900 45 40 0.4 16 1600 640 50 0.15 7.5 2500 375 60 0.1 6 3600…

Q: Let x be a random variable with the following probability distribution. Value x of X P(X=x) 2 0.10 3…

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Q: (a) Find the expectation E (X) of X. E (x) = 0 %3D (b) Find the variance Var(X) of X.

A: We have to calculate the mean and variance of X for given probability distribution.

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A:

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A:

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…

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A: The given probability distribution of  is:Value  of 00.110.520.0530.140.1550.1

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A: Solution

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Q: Let X be a random variable with the following probability distribution. Value x of X P(X=x) 30 0.45…

A: Let X be the random variable having probability distribution is,  X P(X=x)  30 0.45 40 0.15…

Q: (a) Find the expectation E (X) of X. E(X)= (b) Find the variance Var(X) of X. Var(x) = 0

A: Here given discrete probability distribution of X.Use formula of expected value and Variance

Q: Complete the following. (If necessary, consult a list of formulas.) (a) Find the expectation E (X)…

A: It is given that X is the random variable in probability distribution.

Q: Value x of X P(X=x) 20 0.25 30 0.15 40 0.20 50 0.10 60 0.30 Complete the following. (If necessary,…

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Q: (a) Find the expectation E (X) of X. E (x) = | %3D (b) Find the variance Var(X) of X. Var(X) = 0 %3D

A: Given: x p(x) 40 0.05 50 0.25 60 0.25 70 0.05 80 0.35 90 0.05 Total 1

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Q: 54°F Cloudy Let X be a random variable with the following probability distribution. Value x of X…

A: Step 1:We have given the table ;value  x of XP ( X=x)100.10200.45300.30400.15Let X be a random…

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A: The given data is,

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A: X P(X=x) 10 0.05 20 0.35 30 0.55 40 0.05

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A: Consider the preliminary calculations given below: Value x of…

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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: Let X be a random variable with the following probability distribution. Valuex of X 0 10 20 30 40 50…

A: To find: 1. Expected value: E(X) 2. Variance of X : VAR(X)

Q: Let X be a random variable with the following probability distribution Value x of X 2 3 لیا 4 5 PX=x…

A: E(X)=∑X.P(X)E(X2)=∑X2.P(X)V(X)=E(X2)-(E(X))2

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Q: 54°F Cloudy Let X be a random variable with the following probability distribution. Value x of X…

A: Step 1:XP(x)xP(x)x2P(x)-200.40-8160-100.15-1.51500.4000100.050.505  Step 2: The Expected…

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Q: et X be a random variable with the following probability distribution. Question table Value x of X…

A: E[x] = ∑xp(x)

Q: Let X be a random variable with the following probability distribution. Value x of X P(X=x) 10 0.30…

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A: X (X=x)  3 0.35 4 0.40 5 0.15 6 0.10 Then,  Expectation of X E(X) and variance of X…

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Q: Y, (a) Find the expectation E (X) of X. E (X) = (b) Find the variance Var(X) of X. Var(x) =

A: Answer X          P[x] 20       0.1530       0.2040       0.1050       0.1060       0.1070…