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: Cumulative probability distribution function of discrete random variable X is given as follows.…

A: From the provided information, Random variable (x) 2 4 6 9 Cumulative probability…

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: (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: X is a random variable follows a Poisson distribution with a mean of 5 Find the probability p(x =…

A: X is random variable follows a poisson distribution with mean of 5 λ=5x~Poisson(λ=5)P(X=x)=e-λ×λxx!…

Q: Let Z be a standard normal random variable. Calculat (a) Pr(-1.3 < Z < 0) (b) Pr(.25 s Z)

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Q: Q/ The probability distribution of random variable X is: 3. P(x) 0.1 0.3 0.5 0.1 iTY-X+2X Find: 1.…

A: Given Y= X2+2X So we find Y for every X X 0 1 2 3 Y 0 3 8 15 P(Y) 0.1 0.3 0.5 0.1

Q: Find the missing value for P(X=2) in the probability distribution of X=no. of children ages 18 ar…

A: Solution

Q: The probability distribution of the random variable X represents the number of hits a baseball…

A: Data set of the random variable X base on the simulation for 25 games:-…

Q: X is a random variable follows a Poisson distribution with a mean of 5 Find the probability p(x =…

A: Answer: From the given data, X follows Poisson distribution, mean (μ) = λ = 5 X = 4

Q: If X represents a random variable coming from a normal distribution and P(X 8.7) = 0.37. %3D True…

A: P(X &lt; 8.7) = 0.63 P(X &gt; 8.7) = 0.37

Q: The discrete random variable Xhas the probability distribution given by: 7 9. 12 13 15 P(X==) u/2…

A: Given: The probability distribution is, x 7 9 12 13 15 PX=x u2 0.05 0.35 u 0.15 The…

Q: 7. The mode and variance of the daily income of 2000 workers are Tk. 100 and Tk² 36 respectively.…

A: As per our guidelines, we are allowed to answer first three sub-parts only. Thanks   Since, it is…

Q: Consider a probability distribution for the random variable X, where the mean is 1 and the standard…

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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: in a sample x1,x2,x3 ....................xn . the sample mean  =expected value of distribution…

A: It is an important part of statistics. It is widely used.

Q: Length (in days) of human pregnancies is a normal random variable (X) with mean 266 days and…

A:

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

A:

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

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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: Find the following probabilities based on the standard normal variable Z. (You may find it useful to…

A: Standard Normal distribution is a Normal distribution with mean 0 and standard deviation 1. We find…

Q: Average weight of males in the age bracket of 20-39 is 198.5 pounds.  Assume population standard…

A: Given,sample size(n)=30mean(μ)=198.5standard deviation(σ)=16

Q: Question * Let X be a random variable with probability distribution as shown below: if x<0 f(x) = 1…

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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: 10. Expected value Find the expected value of each random variable: a. b. X P(X=x) X P(X = x) 100…

A: Expected value of X=E(X)=∑X.P(X)