Explore BrainMass
Share

Density Function Question - f(x) = 3x^2?

This content was STOLEN from BrainMass.com - View the original, and get the already-completed solution here!

Let X be a random variable defined by the given density function

f(x) = 3x^2 0 <= x <= 1
= 0 otherwise

Find (a) E(X), (b) E(3X-2) and (c) E(X^2).

See the attached file.

© BrainMass Inc. brainmass.com December 19, 2018, 8:14 pm ad1c9bdddf
https://brainmass.com/statistics/probability-density-function/density-function-question-27802

Attachments

Solution Preview

Please see attached file.

answer:

(a) By the definition , we know
Explanation:
1. Since only on [0,1], f(x) is nonzero, we ...

Solution Summary

This solution shows how to perform calculations for a given density function, formatted in an attached Word document.

$2.19