Question: ssume that X N ( mu , sigma 2 ) . Show that Var ( X ) = sigma 2 .

ssume that X N (\mu ,\sigma 2). Show that Var(X)=\sigma 2.

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Accounting Questions!

Q:

A countershaft carrying two V-belt pulleys is shown in the figure. Pulley A receives power from a motor through a belt with the belt tensions shown. The power is transmitted through the shaft and...

Q:

A sample of 25 deliveries from an automobile parts supplier was timed and recorded. The sample revealed a mean of 57.79 minutes and a standard deviation of 6.58 minutes. Delivery times are thought to...

Q:

from mpl_toolkits.mplot3d import Axes3D import matplotlib.pyplot as plt import numpy as np import random import sys if __name__ == '__main__': # default dim = 1 numsamples = 100 if len(sys.argv) > 1:...

Q:

2 1 . Gravetter / Wallnau / Forzano , Essentials - Chapter 4 - End - of - chapter question 2 1 For the following population of scores: 1 , 4 , 7 Calculate the population mean and population variance....

Q:

Python3 code question Change the code such that it prints the mean and variance of your samples, using Numpy functions. You are only required to add these two lines in this python file. These two...

Q:

This is a python 3 file. I just need the last TODO line to get the estimate of the sample mean and sample variance.I am only allowed to add those two lines. I tried to add code below print('Mean is:...

Q:

Standardization 1 point possible (graded) Let X1, X2, ..., Xn be i.i.d. random variables with mean / and variance of. Denote the sample mean by Xn = EL Xi n Assume that n is large enough that the...

Q:

Calculate mu, sigma 2, and sigma also StD alzo explain what does it mean Consider the probability distribution shown here. Complete parts a through c. X -4 - 3 - 2 - 1 0 1 2 3 4 p(x) 0.02 0.07 0.11...

Q:

For each of the two code samples shown, use the weakest precondition approach to derive any necessary precondition in order to prove that the code is partially correct with respect to the...

Q:

For each of the two code samples shown, use the weakest precondition approach to derive any necessary precondition in order to prove that the code is partially correct with respect to the...

Q:

Select all that apply If X is a binomial random variable, then E ( X ) = Multiple select question. np ( 1 p ) \ sigma np \ mu \ sigma 2 np ( 1 p )

Q:

Golddiggers has zero net income if it sells gold for a price of $380. However, by shorting a forward contract it is possible to guarantee a profit of $40/oz. suppose a manager decides not to hedge...

Q:

First-semester GPAs for a random sample of 30 freshmen at a large university are given in the attached spreadsheet. Estimate the true mean GPA of the freshmen class with 99% confidence. A. 2.04

Q:

The production budget shows expected unit sales of 3 2 , 0 0 0 . Beginning finished goods units are 3 , 6 0 0 . Required production units are 3 3 , 6 0 0 . What is the desired number of units in...

Q:

Pharoah Company reported the following amounts for 2022: Raw materials purchased $95,200 Beginning raw materials inventory 5,824 Ending raw materials inventory 5,040 Beginning finished goods...