*ANSWER* Homework 1 Problem 3
I get 1/2 for the following problem. The answer key says 2/3. What am I missing?
P(choosing 1st bag)*P(Second ball is Black/First is Black) = (1/2) * (1*1) = 1/2 P(choosing 2nd bag)*P(Second ball is black/First is black) = (1/2) *(0*(1/2)) = 0 Final probability = Sum of the above = 1/2 3. We have 2 opaque bags, each containing 2 balls. One bag has 2 black balls and the other has a black ball and a white ball. You pick a bag at random and then pick one of the balls in that bag at random. When you look at the ball, it is black. You now pick the second ball from that same bag. What is the probability that this ball is also black? 
Re: *ANSWER* Homework 1 Problem 3

Re: *ANSWER* Homework 1 Problem 3
Thank you!

Re: *ANSWER* Homework 1 Problem 3
Experiencing problems with your homeworks? The big problem is that you have never read http://bigpaperwriter.com/blog/essayabouthomework before. Simplify your life!

All times are GMT 7. The time now is 08:41 PM. 
Powered by vBulletin® Version 3.8.3
Copyright ©2000  2021, Jelsoft Enterprises Ltd.
The contents of this forum are to be used ONLY by readers of the Learning From Data book by Yaser S. AbuMostafa, Malik MagdonIsmail, and HsuanTien Lin, and participants in the Learning From Data MOOC by Yaser S. AbuMostafa. No part of these contents is to be communicated or made accessible to ANY other person or entity.