My Math Forum  

Go Back   My Math Forum > High School Math Forum > Probability and Statistics

Probability and Statistics Basic Probability and Statistics Math Forum


Reply
 
LinkBack Thread Tools Display Modes
November 9th, 2015, 10:23 AM   #1
Newbie
 
Joined: Nov 2015
From: ISRAEL

Posts: 1
Thanks: 0

Need help with solving the following 2 questions (attached)

Have two questions in basic probability, need some help solving (see attached).
Attached Images
File Type: jpg Capture.JPG (20.1 KB, 7 views)
ALEXTS is offline  
 
November 9th, 2015, 04:11 PM   #2
Global Moderator
 
Joined: May 2007

Posts: 6,558
Thanks: 602

1. $\displaystyle P(Y<y)=P(X^2<y)=P(-\sqrt{y}<X<\sqrt{y})$ This is simply the integral of the normal density between these limits.

2. $\displaystyle P(U<u) = P(X<u \ and \ Y<u)=P(X<u)P(Y<u)$. The last term results from independence.
mathman is offline  
Reply

  My Math Forum > High School Math Forum > Probability and Statistics

Tags
attached, questions, solving



Search tags for this page
Click on a term to search for related topics.
Thread Tools
Display Modes


Similar Threads
Thread Thread Starter Forum Replies Last Post
2 Cylinders Attached Perpendicular, Find Length of Second Cylinder zipaway Geometry 4 August 8th, 2014 07:09 PM
Trig Application Problem: Diagram Attached mathatesme Trigonometry 1 November 19th, 2013 11:16 AM
I want the ideas for solving those questions r-soy Physics 13 June 3rd, 2012 11:44 AM
How many discontinuities in this graph *picture attached* kahf1_01 Calculus 1 October 29th, 2011 09:52 AM





Copyright © 2018 My Math Forum. All rights reserved.