Problem #9: Suppose that a random variable X has the following probability density function. (c(81-x²) 0≤x≤ 9 0 otherwise f(x) = Find the expected value of X. (You will need to find the value of the constant C so that f is a pdf.)
Problem #9: Suppose that a random variable X has the following probability density function. (c(81-x²) 0≤x≤ 9 0 otherwise f(x) = Find the expected value of X. (You will need to find the value of the constant C so that f is a pdf.)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
Related questions
Question

Transcribed Image Text:Problem #9: Suppose that a random variable X has the following probability density function.
C(81-x²) 0≤x≤ 9
otherwise
Problem #9:
f(x) =
o
Find the expected value of X.
A
(You will need to find the value of the constant C so that f is a pdf.)
Enter your answer symbolically,
as in these examples
Expert Solution

Step 1
9.
Step by step
Solved in 3 steps with 3 images

Similar questions
Recommended textbooks for you

A First Course in Probability (10th Edition)
Probability
ISBN:
9780134753119
Author:
Sheldon Ross
Publisher:
PEARSON


A First Course in Probability (10th Edition)
Probability
ISBN:
9780134753119
Author:
Sheldon Ross
Publisher:
PEARSON
