What is the expected value of the probability distribution of the discrete random variable X? x P(X = x) 2 .07 4 .19 6 .25 8 .11 10 .07 12 .30 14 .01

Q: You and your friend carpool to school. Your friend has promised that he will come pick you up at…

A: X~U(1,13)

Q: Mlal Fandom variable, use the binomial probability table to find the probabilities below. a. P(x<11)…

A: The pdf of binomial distribution is,     The objective is to find the required probabilities.

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: (1 point) Find the expected value for the random variable: X 3 P(X) 0.28 0.14 0.11 0.47 E(X) = %3D

A:

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

A:

Q: Let the random variable X be the number of rooms in a randomly chosen owner-occupied housing unit in…

A: According to the Bartleby guidelines experts solve only one question and a maximum of three sub…

Q: You and your friend carpool to school. Your friend has promised that he will come pick you up at…

A: A random variable X~U(3,  11) f(x)=111-3      ;    3≤X≤11 f(x)=18      ;   3≤X≤11

Q: X 3 4 5 6 P(x) • 0.32 ? 0.25 0.25

A: x P(x) 3 0.32 4 a 5 0.25 6 0.25   we have to find P(x=4) =?   lets assume p(x=4) = a

Q: the probability distribution of the number  of motorcycles owned by a family(x) is as follows x 0 1…

A: It is given that the probability distribution of the number of motorcycles owned by a family.

Q: P(x) 0. 0.3 1 0.3 0.05 3. 0.35 Find the standard deviation of this probability distribution. Give…

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

Q: Find the following probability for the standard normal random variable z. e. P(z>0) f.…

A: Since the question has multiple subparts, as per the Bartleby policy, I will only solve first three…

Q: m The discrete random variable X is the number of passengers waiting at a bus stop. The table below…

A: Solution-:Let, X - be the discrete random variableThe probability distribution of X is as below:…

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: The discrete random variable X is the number of passengers waiting at a bus stop. The table below…

A: The given data is: x P(x) 0 0.4 1 0.3 2 0.2 3 0.1 Total 1 To calculate E(x):…

Q: A discrete random variable X can assume the following values, 42, 44, 46, 48, 50. Its probability…

A: X 42 44 46 48 50 P(X) 0.3 a 0.2 0.1 0.15

Q: if the probability distrobution for the random variable X is given in the table  what is the…

A:

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

A:

Q: The probability distribution for the discrete random variable X is described by the table shown…

A: Given that  Probability mass function of X is  x -2 -1 0 1 2 4 P(x) 0.10 0.10 0.30 ? 0.05 0.05

Q: The random variables X and Y have joint probability distribution specified by the following table:…

A: The joint probability distribution of random variables X and Y is given…

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: The daily amount of coffee, in liters, dispensed by a machine located in an airport lobby is a…

A:

Q: True or False? The following probability distuibution for a random variable X, is not a vaild…

A: Given that, The probability distribution for a random variable X, P(x)= (x-1)/6 for x=2,3,4

Q: Two fair dice are rolled 5 times. Let the random variable represent the number of times that the sum…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Find the mean and standard deviation for the probability distribution x P(x) 0.05 1.18 2.29 3.26…

A: See the handwritten solution

Q: A random variable X has the following distribution: X P(X=x) -1 0 1 .3 .5 2 Let Y=X². Find the…

A: The given probability distribution of variable X is as follows:x-101P(X=x)0.30.50.2The random…

Q: A small ferry runs every half hour from one side of a large river to the other. The probability…

A: Let Y=money collected (in dollars) on a randomly selected ferry trip.