14. Find the expected value of a random variable having the following probability distribution: -2 1 3 0 0.23 0.28 0.19 0.12 a. 2.033 b. 0.904 c. -0.360 d. 0.408 e. 1.773 X P(X=x) -4 0.15 5 0.03

Q: Match the following: A probability distribution for a random variable X: -3 0 0.15 0.20 X P(X=x) ✓…

A: X-8-3-10146P(X=x)0.130.150.170.200.150.110.09

Q: A business has six customer service telephone lines. Consider the random variable x = number of…

A: It is given that the variable X denotes the number of lines in use at a randomly selected time.

Q: Q.3. Consider the following discrete probability distribution: x P (x) 5 0.1 10 0.15 15 0.25 20 0.5…

A: Given, Discrete probability distribution  X P(X) 5 0.1 10 0.15 15 0.25 20 0.5

Q: 9. Find the expected value of a random variable having the following probability distribution: -5 -1…

A:

Q: Suppose Z is a discrete random variable with the following probability distribution: P(Z = 0) = 0.1…

A: Z is a discrete random variable with the following probability distribution:

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

Q: Determine the mean, variance and standard deviation of the probability distribution following Number…

A:

Q: a. Find the expected value of each discrete probability distribution. 7. 8. 10 P(x) 0.15 0.32 0.37…

A: As per our guidelines we are suppose to answer only one question. E(X)=∑X.P(X)

Q: Suppose the random variable X has the following probability distribution 2 1 1- 0.2 0.3 0.3 0.2…

A: Probability Distribution: It is a statistical function, describing all the possible outcomes of the…

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A: The question is asking whether the given table can be a probability distribution for the random…

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A: Rules of probability distribution: The probability values of each value of x should be between 0 to…

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

A:

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

A:

Q: The discrete random variable Xhas the probability distribution given by: 7 12 13 15 P(X=2) u/2 0.05…

A: Solution: From the given information, the probability mass function of X is

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

A: Solution: 10. From the given information, the probability distribution of X is

Q: a. Find the expected value of each discrete probability distribution. 5. 7. 8. 10 P(x) 0.15 0.32…

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: Suppose the random variable Z follows a standard normal distribution. Then the probability is 0.67…

A: To find the z value, use the standard normal table to find the z-score which cuts off an area of…

Q: Consider a random variable X and the following probability distribution. P(X=12) = 0.0405 P(X = 33)…

A:

Q: Q 5) A die with six faces is rolled. The discrete random variable "X" represents the outcomes on the…

A: given distribution is x 1 2 3 4 5 6 P(X=x) a a a b b 0.3 table represents probability…

Q: 6. A discrete random variable can assume 5 possible values, as listed in the accompanying…

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: For a standard Normal random variable find the following probabilities. a. X is less than 1.72 b. X…

A: a. X is less than 1.72 P(X<1.72)=? =0.9573

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

A: The table shows the probability distribution of X.

Q: Let x be a random variable with the following probability distribution 1 2 3 P(x) 0.1 0.4 0.2 k Find…

A:

Q: Suppose X is a random variable with the following distribution: xi 1 2 5 10 pi 0.4 0.3 0.2…

A: the expected value of X is given by the formula EX=∑ixipi substitute the values…

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

A: Required probability is P(X≤-3 , Y≤0)

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

A: P(X≤-1, Y=3)=? P(X>3)=? P(X=-4)=?

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

A:

Q: The joint probability distribution of two random variables X, Y is given in the table below. Y=-2…

A: For Y=2  Probabilities are given for every X, i.e. 0.04, 0.19, 0.05 So  P(Y=2)= 0.04+0.19+0.05= 0.28

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

A:

Q: 0 1 4 Probabilit 0.125 0.428 0.256 0.108 0.083 y of X rify that probability distribution for the…

A: Note: As per the guidelines solving first question, kindly repost the other question separately and…

Q: 3. The discrete random variable Y has the following probability distribution: Y 25 26 27 28 29 P(Y)…

A:

Q: Suppose X is a discrete random variable with the following probability distribution: P(X = 2) = 0.3…

A: Given information  P(X = 2) = 0.3, P(X = 4) = 0.2,P(X = 6)=0.5

Q: 4. What are the expected value and the variance of the probability distribution below? x P(X = x)…

A: (4)   Obtain the expected value   The expected value is obtained below as follows:

Q: What is the mean of the discrete random variable X with the following probability distribution?…

A: xP(x)10.2020.1030.2040.2550.25Find mean of the probability distribution.

Q: 2. A random variable X has the probability distribution as in below. What is the probability that…

A: Given: A probability distribution table: X 2 4 6 8 P(X) 0.1 0.2 0.3 0.4 It is known that in…