Purchase Solution

Moment generating function

Not what you're looking for?

Ask Custom Question

1. X is uniform on {1,2,3,4,5,6}
m_x(s)=?

m_x(s)=E(e^sX)
Which is called the moment generating function of X (or the distribution of X)

Purchase this Solution
Solution Summary

This shows how to find if a function is uniform.

Purchase this Solution
Free BrainMass Quizzes
Probability Quiz

Some questions on probability

Graphs and Functions

This quiz helps you easily identify a function and test your understanding of ranges, domains , function inverses and transformations.

Solving quadratic inequalities

This quiz test you on how well you are familiar with solving quadratic inequalities.

Geometry - Real Life Application Problems

Understanding of how geometry applies to in real-world contexts

Multiplying Complex Numbers

This is a short quiz to check your understanding of multiplication of complex numbers in rectangular form.

View More Free Quizzes
Related BrainMass Solutions

  • Moment Generating Function of X

    75897 Moment Generating Function of X Please find the moment generating function of X given f(x)=exp(-x), where x>0. Please see the attached file.

  • Moment Generating Functions

    Now we want to get the moment generating function of U= , namely, we need to compute the expectation of . Note that the moment generating function for each Zi is Now, we are going to compute .

  • Moment generating function and poisson distribution

    a) Let us recall the definition for the moment generating function for a random variable (please see the attached file) With this in mind, let us find the moment generating function for X_1 first.

  • moment generating function and expected value

    170475 Finding E(Y) for a moment-generating function. 3.88 ===== Use your answer from 3.87 to show that E(Y) = aE(X) +b 3.87: [ If X is a random variable with moment-generating function M(t), and Y is a function of X given by Y=aX+b, show

  • Moment-Generating Function

    100576 Moment-Generating Function 1. Find the moment-generating function of X, where X is a triangular distribution, that is, the pdf of X is f(x) = (1 - |x|)*(I_(-1,1))*(x). 2. Show that b = E(X) minimizes E(X-b)^2.

  • Moment Generating Function and Expectation

    204427 Moment Generating Function and Expectation Please provide a solution for the following problem: Let Y denote a random variable with probability density function given by f(y) = (1/2)e ^-|y| , -∞ < y < ∞ Find the moment-generating

  • Moment Generating Function

    170703 Moment generating function What is the moment generating function of the probability density function f(x) = 4x-x^2 for 0

  • Moment Generating Function Discussion

    Please find the moment generating function for x=1, 2, and then please solve the amended question: Given f(x)=(1/2)^x, for x=0,1,2,..., and zero elsewhere, please show that its moment generating function is M(z)=2(2-e^z)^-1.

  • Mean Data

    33514 Moment generating function and Poissan's Dist. D.) Suppose X1 and X2 are independent exp. random variables, each with mean data and y=X1 and X2. What is the moment generating function for the random variable y?

View More Related Solutions