SOLUTION: Find E(X)and E(X2)for the probability distribution from the following data.X=8, 12, 16, 20, 24, P(X)=1/8, 1/6, 3/8, 1/4, 1/12,

Algebra.Com
Question 285787: Find E(X)and E(X2)for the probability distribution from the following data.X=8, 12, 16, 20, 24, P(X)=1/8, 1/6, 3/8, 1/4, 1/12,
Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
Find E(X)and E(X2)for the probability distribution from the following data.
X=8, 12, 16, 20, 24, P(X)=1/8, 1/6, 3/8, 1/4, 1/12,
===============
Multiply each X value by it corresponding probability.
Add the products to get the expected value of "X".
---
Cheers,
Stan H.

RELATED QUESTIONS

For the following, find the composition of functions (fog)(x). 11. g(x) = 3x, f(x) = x (answered by MathLover1)
The KSW computer science aptitude test was given to 50 students. The following frequency (answered by AnlytcPhil)
Calculate coefficient of correlation from the following data. X 1 2 3 4 5 6 7 8 9 Y 9... (answered by ikleyn)
For each of the following, determine whether it can serve as the probability distribution (answered by ikleyn)
What value would be needed to complete the following probability distribution? X (answered by Edwin McCravy)
What would make the following a valid probability distribution? x- 18, 12, 16, 20 p(x)- (answered by Boreal)
I need finding the composition of functions (f o g)(x).? 1. g(x) = 3/(x - 1), f(x) =... (answered by jsmallt9)
Find the mode from the following data with the help of the formula : Size 8... (answered by greenestamps)
Determine if each of the distributions given below represent a probability distribution. (answered by stanbon)