A community for students.
Here's the question you clicked on:
 0 viewing
anonymous
 4 years ago
The random variable, X, has the probability density function \[f(x)=\left(\begin{matrix}kx^3 \\ 0\end{matrix}\right)\]\[0\le x \le 2  {otherwise}  \]
Find the probability that an observation lies withing one standard deviation of the mean.
anonymous
 4 years ago
The random variable, X, has the probability density function \[f(x)=\left(\begin{matrix}kx^3 \\ 0\end{matrix}\right)\]\[0\le x \le 2  {otherwise}  \] Find the probability that an observation lies withing one standard deviation of the mean.

This Question is Closed

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0can we use Chernoff's inequality?

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0What's that?... I don't know it by name..

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Let me just read it through and see if I understand everything, but it's the right answer.

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0One question, what does M stand for?

cristiann
 4 years ago
Best ResponseYou've already chosen the best response.1Yes ... mean ... average ...

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Then I understand it. Thank you!

cristiann
 4 years ago
Best ResponseYou've already chosen the best response.1E(X) in fact ... I've used another notation ...sorry...

cristiann
 4 years ago
Best ResponseYou've already chosen the best response.1You are welcome ... :)

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0That's fine. I know it as \[\mu\] aswell

amistre64
 4 years ago
Best ResponseYou've already chosen the best response.0f(x)={{kx^3}\choose{0}} might be an easier way to type that up \[f(x)={ {kx^3}\choose{0}}\]
Ask your own question
Sign UpFind more explanations on OpenStudy
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.