Given the probability distribution table, what is the expected value snd variance of the discrete random variable. XPX) 0 0.25 0.5 1 3 0.25

Q: Given the following probability distribution:      X      P(X)      10    0.1      20    0.4      30…

A: Given data and calculation for the expected value is shown

Q: 2. Let X be a random variable with the following probability distribution: -4 1 P(X)| 0.2 0.3 0.4…

A:

Q: Given below is the probability distribution of the random variable X: 10 11 12 13 14 f(x) 0.4 0.3…

A: Given data is  X 10 11 12 13 14 f(x) 0.4 0.3 0.2 0.05 0.05

Q: Given the table of probabilities for the random variable x, does this form a probability…

A: A random variable X is said form a probability distribution if; 1) 0≤P(x)≤1 2) ∑xP(x)=1

Q: If x is a binomial random variable, compute the mean, the standard deviation, and the variance for…

A: Since, you have you have posted a question with multiple subparts we will solve first three subparts…

Q: Given the following probability distribution, what is the expected value? Outcome P(Outcome) 20 0.03…

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Q: 3. Find the mean and variance of the random variable using the values in the table below. f(x) 0.25…

A: For the given data Find Mean =? variance =?

Q: The number of cars per home in a middle-income community can be represented using a probability…

A: Q

Q: 4. Compute the mean and standard deviation of the random variable with the given discrete…

A: x p(x) -3 0.10 0 0.17 1 0.36 3 0.37

Q: P(x) a) 0.84 8 P(x=0) = ; b) 1.00 50 14 P(x=1) = 1 50 c) 1.47 16 2 P(x=2) = 50 7 d) 1.74 P(x=3) = 50…

A: Answer - Given probability distribution             x P(X) 0 8/50 1 14/50 2 16/50 3 7/50…

Q: Given the following probability distribution, what is the expected value? Outcome P(Outcome) 0.20 13…

A:

Q: 3. Let X be a random variable with the following probability distribution: 5 10 15 20 25 X P(X) 0.5…

A: X 5 10 15 20 25 P(X) 0.5 0.30 0.25 0.25 0.15

Q: Given the following probability distribution, what is the expected value? Outcome P(Outcome) 31 0.12…

A: Let X be a random variable: The probability distribution of X is: X P(X=x) 31 0.12 25 0.08 2 0.06 14…

Q: You are given the following probability distribution for a stock: PR .4 Outcome -4% PR .6 Outcome…

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Q: If the probability distribution for the random variable X is given in the table, what is the…

A: According to the given information, we have The probability distribution table is given by, xi -5…

Q: Following is the probability distribution of a random variable that represents the number of…

A: Let X be the random variable which represents the number of students of extracurricular activities…

Q: Since x is a Binomial random variable with a mean of 1.8 and a probability of success of 0.6, what…

A:

Q: Given the following probability distribution, what is the expected value? Outcome P(Outcome) 9 0.20…

A: Answer - Given probability distribution               x P(x) 9 0.20 13 0.10 11 0.24 20…

Q: Given the following probability distribution, what is the expected value of the random variable X?…

A: Expected value of X= ∑x·P(X=x) X P(X) X*P(X) 100 0.1 10 150 0.2 30 200 0.3 60 250 0.3 75…

Q: Given the following probability distribution, what is the expected value of the random variable X?…

A: The probability distribution table is,

Q: The following table lists the probability distribution of a discrete random variable x: 2 3 4 6 7 8…

A:

Q: Find the expected value, u, variance, 2, and standard deviation, ,g for each of the following cases…

A: Given Formulas : Expected Value  , μ = 16×0.5 = 8 Variance , σ2 = 16×0.5×0.5 = 4 Standard…

Q: Consider a random variable, z, that has a standardized normal distribution. Determine the following…

A: We have given that,  Z from the standard normal distribution with mean (μ) = 0 and standard…

Q: The following table provides a complete point probability distribution for the random variable A.…

A:

Q: Find the mean and variance of the given probability distribution. 1 6. 11 16 21 P(X) 1 1 7. 7. NIN

A: X P(X) X P(X) X2P(X) 1 17 17 17 6 17 67 367 11 27 227 2427 16 17 167 2567 21 27 427 8827…

Q: Given the following probability distribution, what is the expected value of the random variable X?…

A: Given Data :

Q: Consider a random variable with the following probability distribution:  X          P(X) 0…

A: The table shows the probability distribution of X.

Q: Find the expected value of the random variable with the following probability distribution: 3 6. .03…

A:

Q: The following table lists the probability distribution of a discrete random variable x: x| 2 3 4 5 6…

A: The probability distribution of X is given. In order to find the standard deviation we need to find…

Q: Consider the probability distribution of a binomial random variable X given below: 1 2 3 4…

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

Q: The following probabilities for grades in management science have been determined based on past…

A: Expected=10.4+30.3+40.2+10.1+10.0=2.2, C the expected grade

Q: The table below shows the probability distribution of a random variable Y. Y P(Y) 11 0.7 12 0.1 13…

A:

Q: Given the following probability distribution, what is the expected value? Outcome P(Outcome) 18…

A: The expected value or mean of X is as follows:

Q: 1) The random variable X, representing the number of nuts in a chocola probability distribution.…

A: Given: x representing the number of nuts in a chocolate bar has the following probability…

Q: Analyze the scenario and complete the following: Complete the constructed discrete probability…

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Q: The probability distribution of a random variable X is given in the table below: -4 -2 2 4 .1 .2 .3…

A: Mean=E(X)=-4(0.1)+(-2)(0.2)+0(0.3)+2(0.1)+4(0.3)=0.6

Q: Find the expected value of the random variable X, where the probability distribution of X is given…

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Q: Given the following probability distribution, what is the expected value? Outcome P(Outcome) 20 0.15…

A:

Q: Consider the following table which provides a probability distribution for the random variable x,…

A: Consider the calculations in the table given below:

Q: which of the following probability distributions is a random variable?

A: Given that  Some probability distributions for a random variable   We know that  ∑P(X) =1 We check…

Q: Find the mean of the random variable X with the given probability distribution. * 1 2 P(x) 0.34 0.25…

A: Given that  Probability mass  function of X  x 0 1 2 3 P(x) 0.34 0.25 a 0.20

Q: . What is the expected value of the probability distribution of the discrete random variable X? x…

A:

Q: Given the probability distribution table, what is the expected value and variance of the discrete…

A: The expected value is defined as E(X) = ∑x.P(X) And variance is calculated as Var(X) = E(X2) -…

Q: Calculate the expected value of X, E(X), for the given probability distribution. 2 4 6. 8 6. 12 P(X…

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Q: In the following probability distribution, the random variable X represents the number of activities…

A: For the given data Find the given ( a )( b )( c) and ( d )

Q: The number of household members, x, living in Cityville homes has the following probability…

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Q: Find the mean and variance of the following discrete random variable distribution. ?    ?(?) 0…

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Q: Given the composite probability function of a random variable x and y, which of the following is…

A: The marginal distribution of y is  f(y) = 2y   The condition distribution of X/Y is given by

Q: Compute the mean and standard deviation of the random variable with the given discrete probability…

A: Ans - Given table     x P(x) x*P(x) x2P(x) -6 0.25 -1.5 9.0 -5 0.11 -0.55 2.75 6 0.23 1.38…

Q: Let x be a random variable with the following probability distribution 1 3 P(x) 0.3 k 0.1 0.2 Find…

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