ns 1 - 4, answer the questions about discrete random variables. Find the mean of the discrete random variable with the probability distribution below. X 1 2 3 4 5 P(x) 0.3 0.2 0.1 0.3 0.1 2. Find the mean of the discrete ran variable with the probability distribution below. X 3 4 5 6 7 P(x) 0.1 0.2 0.30.15 0.25

Q: The joint probability distribution of two random variables X, Y is given in the table below. Y=-4…

A: y=-4 y=-2 y=0 y=2 y=4 total x=0 0.02 0.07 0.11 0.03 0.08 0.31 x=2 0.00 0.11 0.09 0.12 0.00…

Q: A random variable Yhas a probability distribution given in the following table. Y 5 7 11 13 P(Y = y)…

A: Given: The pdf of Y is Y 5 7 9 11 13 P (Y =y) 0.12 0.08 0.28 0.20 0.32

Q: Suppose that the random variable x, shown below, represents the number times . P(x) represents the…

A: a) The random variable x defines the number of times a randomly selected person having received that…

Q: Find the mean. (Answer in 3 decimal places.) Answer: Blank 1   b. Find the standard deviation

A: It is given that X is discrete random variable. The mean of X is defined as E(X) = ∑x. P(X = x) And…

Q: (d) Suppose the left-turn lane is to have a capacity of five cars and one bus is equivalent to three…

A: Here given joint distribution table for x and y X = no of cars Y = no. Of buses

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

A:

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: The joint probability distribution of two random variables x, Y is given in the ta below. Y=-2 Y=- 1…

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Q: Let X be a random variable with the following probability distribution: X = -3 6. 1 p(x) = x = 6 x =…

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Q: probability distribution

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Q: D1

A: A discrete random variable X is said to follow the Poisson distribution if its values are…

Q: Question 6 The number of credit cards in the wallet of a randomly selected person varies from 0 to…

A: x P(x) 0 0.03 1 0.11 2 0.17 3 0.33 4 0.2 5 0.15 6 0.01 total 1

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

A: Solution-: From given joint probability distribution table of two random variables X and Y we find,…

Q: E. Exercises ( Geometric Probability Distribution) 1. An oil company has determined that the…

A: Given data An oil company has determined that the probability of finding oil at particular drilling…

Q: Pain is measured on a scale from Grade 1 (no pain) to Grade 4 (severe pain). X is the pain score of…

A: 1. Wrong, because it is a discrete random variable. 2. Wrong, P(X<2) = P(X≤1)

Q: The following table represents the probability distribution of the random variable X. Find P(Xs3) X…

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Q: Please calculate the variances, Var(X) and Var(Y), and the corresponding standard deviations for the…

A: …

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…

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

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Q: The random variable X has the following probability distribution x 0 1 2 P(x) 0.2 0.6 0.2…

A: The random variable X has the following probability distribution is, x 0 1 2 P(x)…

Q: A discrete random variable X has the following probability distribution: -4 -3 -2 -1 2 3 0.05 0.075…

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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: P(X=x) -2 0.30 -1 0.15 0.20 0.20 0.15 ) Explain two reasons why the above distribution is a valid…

A: Given: x P(X=x) -2 0.30 -1 0.20 0 0.20 1 0.20 2 0.15

Q: The joint probability distribution of two random variables X, Y is given in the table below. Y=-4…

A:

Q: Question 1 For a random variable with the given probability distribution function. 1 3 4. 5 6 7 f(x)…

A: Given probability distribution is, x 0 1 2 3 4 5 6 7 f(x) 0.05 0.11 0.13 0.13 0.14 0.15 0.12…

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

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Q: For the discrete probability distribution. 1 3 4 5 7 f k 2k 2k 3k k² 2k² 7k² + k Find the variance.

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Q: The random variable X is the crew size of a randomly selected shuttle mission. Its probability…

A: Mean is calculated by, Mean (μ)=E(X)=∑i=28Xi P(X)…

Q: For a random variable with the given probability distribution. 2. 3 4. fix) 0.41 0.37 0.16 0.05 0.01…

A: Given data,   P(0≤x≤2)-(P(X≥3))=?

Q: her or not the table is a probability distribution ôf å discrete random variable. Explain fully a.…

A: Note: As per Bartleby’s guideline for more than one questions only first is to be answered please…

Q: III. Mean, Variance and Standard Deviation of Discrete Random Variable bers (15-17). Determine the…

A: We have to find mean and Sd for given data.  As per guideline expert have to answer one question…

Q: (a) P(Y z 2) = [] (b) P(X< 1,Y = 2) = [ (c) P(Y< -3) = [O

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

A: The problem is asking us to find the probability that a student participates in more than two…

Q: Let X be a random variable that can take the values 2, 9, or 13. And let f(x) be its probability…

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Q: The random variable X has the probability distribution given in the following table. 2 3 P(X = 1)…

A: Given problem Given that   Given that  E( X ) = 3.5 ∑X P(X) = 3.5 0.03 + 2a + 0.81 + 4b+ 5c = 3.5…

Q: Let X and Y be two discrete random variables with a joint probability distribution given by X=0 X-2…

A: Given Data:   x=0 x=2 x=4 y=1 0.03 0.02 0.1 y=3 0.15 0.2 0.1 y=5 0.20 0.15 0.05

Q: A discrete random variable has probability distribution: x= 1, 2,3,4, 5 and P(x) =0.12,0.15, 0.23,…

A: Given information: E(x)=3 P(x) 0.12 0.15 0.23 0.3 0.2 x 1 2 3 4 5