Quantcast This question is about random variable and probability distributions? - XP Math - Forums
XP Math Home Sign Up FREE! | Sign In | Classroom Setup | Common Core Alignment PDF Version

Go Back   XP Math - Forums > Welcome > Off-Topic Discussion

Reply
 
Thread Tools Display Modes
Old 08-01-2007   #1
freaking_naj
Guest
 
Posts: n/a
Default This question is about random variable and probability distributions?

An experiment is conducted where two standard 6 sided dice are rolled and the sum of the numbers that show face up is recorded.A. What values can the random variable assume?B. List the probability distribution of the random variable?Can someone help me answer this question pleasee..
  Reply With Quote
Old 08-01-2007   #2
knight
Guest
 
Posts: n/a
Default

Random variables takes values from 1-6.prob. of each of them is one sixth.then you can find CDF and its derivative pdf using above facts.read books!!!!
  Reply With Quote
Old 08-01-2007   #3
kamerheimer
Guest
 
Posts: n/a
Default

Here is the correct answer:The random variable can take values of 2-12.The probability distribution is:2 and 12 w/prob 1/36 each3 and 11 w/prob 2/36 each4 and 10 w/prob 3/36 each5 and 11 w/prob 4/36 each6 and 8 w/prob 5/36 each7 w/prob 6/36you can reduce those probabilities if you like
  Reply With Quote
Reply

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT -4. The time now is 04:37 AM.


Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2019, vBulletin Solutions Inc.
XP Math