Consider the following probability distribution. xi P(X = xi) -2 0.2 -1 0.1 0 0.3 1 0.4 The expected value is

Q: Find the expected value for the following probability distribution: X 5 10 15 20…

A: Answer: From the given data, X     : 5     10   15   20 P(X) : 0.3  0.1  0.4  0.2

Q: The joint probability distribution of two random variables X, Y is given in the table below. Value…

A: The  marginal density function of X is X -3 3 4 P(X) 0.35 0.32 0.33 The marginal density…

Q: In the probability distribution to the right, the random variable X represents the number of…

A: From the provided information,xP(x)00.26310.57720.13230.02340.00450.001

Q: Calculate the mean (expected value) for the discrete probability distribution shown here. (Answer 2…

A: Given the table for the discrete probability distribution. -3 0.08 -0.24 5 0.2 1 7 0.32…

Q: 3 4 2. 2 3 10 10 P(X) 10 10 10 2.

A:

Q: A probability distribution for xx is given by the following table. x P(x) 0 0.1 1 0.2 2 0.05 3…

A: 0 0.1 0   1 0.2 0.2   2 0.05 0.1   3 0.65 1.95 Total     The expected value of…

Q: The joint probability distribution of two random variables X, Y is given in the table below. Value…

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Q: Which of the following is not a valid probability distribution? 1 2 4 p(x) 0.2 0.25 0.15 0.4 -2 -1…

A: We know that  Probability is non negative value and it range from 0 to 1. Which is in decimal or…

Q: The joint probability distribution of two random variables X, Y is given in the table below. Value…

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Q: The probability function for a discrete event x is given in the table below. Calculate the expected…

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Q: if the probability distribution for the random variable X is given in the table, What is the…

A: Given that: Xi -2 -1 0 1 2 Pi .1 .2 .4 .2 .1   We will use the formula of expectation:

Q: Select one: 1.4475. (1. 1 = 0.95 and a 2 and a 2. 2 anda? 1.4475. 1. 0.95 to 2.

A:

Q: Find the expected value for the following probability distribution: X            0    5     10  15…

A: X            0    5     10  15 P(x)     0.2 0.3 0.25 0.25

Q: The probability distribution of X, the number of males with tinnitus (ringing ears) among 6 randomly…

A: x P(x) 0 0.61 1 0.24 2 0.08 3 0.04 4 0.02 5 0.01 6 0 Total 1

Q: The following table is a probability distribution for the random variable x. X P(x) 5.0 25% 10.0 50%…

A: Given, X 5 10 15 P(X) 0.25 0.50 0.25

Q: P(X) 0. 0.2 1 0.2 0.1 0.5 23

A: We know that, when we have a probability distribution, then to find the standard deviation, we have…

Q: Calculate the expected value for this discrete probability distribution: X P(x) 2 0.10 3 0.25 4 0.25…

A: The formula of expected value is,

Q: x is a random variable with the probability function: f(x) = x/6 for x = 1, 2, or 3. The expected…

A: Here X is discrete random varibale with probability density function, f(x) = x/6      for x = 1, 2,…

Q: Determine whether the following are valid probability distributions or not. Type "VALID" if it is…

A: We have to find correct answer..

Q: A probability distribution for the given experiment is as follows. 0 1 2 3 O X P(x)

A:

Q: Directions: Determine whether the distribution represents a probability distribution. If it does…

A: The valid probability distribution follows the following conditions:a)  0≤p≤1b)  ∑p=1   1.Here, all…

Q: Y=-2 Y=-1 Y 1 Y=2 Y=3 X=-3 0.00 0.01 0.00 0.03 0.19 X=-2 0.07 0.00 0.13 0.01 0.10 X=0 0.00 0.03 0.20…

A:

Q: A random variable x has a standard normal probability distribution.  Which of the following…

A: Given that a random variable x has a standard normal probability distribution.

Q: Assume that 12 jurors are randomly selected from a population in which 82% of the people are…

A: Given probability distribution table is :

Q: Find the expected value of the following probability distribution. Round to the nearest tenth.

A: From the given: X P(X) X·P(X) 1 1/2 1/2 2 1/3 2/3 3 1-1/2-1/3=1/6 1/2

Q: 23. Table Q3 1 2 0.15 a 3 0.4 X P(X=x) Given E(X)= 3.05, calculate the values of a and b. 6 b

A: a=0.25 b=0.20

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

A: The table shows the probability distribution of X.

Q: Calculate the expected value for the following probability distribution: X 1 2 3 4 3.00 2.45 11.00…

A: The given probability distribution is:XP(X)10.1520.3530.440.1For the discrete random variable, Xi…

Q: The table defines a discrete probability distribution. Find the expected value of the distribution.…

A: Given discrete probability distribution. To find the expected value of the distribution. Expected…

Q: Consider a random variable X with the following probability distribution: p(x)=0.0o5x, for x = 2, 3,…

A: See the handwritten solution

Q: The following table provides a probability distribution for the random variable x. (a)Compute E(x),…

A: We have given the following probability distribution table  x f(x) 8 0.25 16 0.50 24 0.25

Q: Please calculate the expected values, E(X) and E(Y), for the two random variables.

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Q: The discrete random variable X has the following probability distribution: -10 0 10 p(x) 0.20 0.40…

A:

Q: Consider the following probability distribution: X 0 1 2 3 P(X)  a 0.1 0.2  b If E(X) = 0.8   Then…

A: Given : X 0 1 2 3 P(X) a 0.1 0.2 b EX = 0.8 We know that, EX = ∑X×PX EX = 0×a +1×0.1 +2×0.2…

Q: The joint probability distribution of two random variables X, Y is given in the table below. Y=-3…

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Q: A random variable x has a standard normal probability distribution.  Which of the following…

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Q: riable X has the following probability distribution; x 0 1 2 3 P(X) 0.1 0.4 0.3 0.2 then the mean…

A: The formula of the mean is:

Q: Consider the following probability distribution: -1 2 6. 8. P(x) 0.15 0.10 0.05 0.5 Find P(6).…

A: Obtain the probability of 6.   The probability of 6 is obtained below as follows:   From the given…

Q: In a certain town, 20% of adults have a college degree. The accompanying table describes the…

A: