My Math Forum How many ways can you sort this?

 Probability and Statistics Basic Probability and Statistics Math Forum

 May 5th, 2017, 05:30 PM #1 Member   Joined: Oct 2016 From: Sverige Posts: 32 Thanks: 2 How many ways can you sort this? I got 3 As and 2 Bs, how many ways can I sort this? AAABB AABAB ... Since switching an A with another A doesnt change the pattern, how many ways can I arrange these letters?
 May 5th, 2017, 05:58 PM #2 Math Team   Joined: Oct 2011 From: Ottawa Ontario, Canada Posts: 12,104 Thanks: 796 Same as: how many different 5digit numbers containing 3 1's and 2 2's?
May 5th, 2017, 06:11 PM   #3
Senior Member

Joined: Sep 2015
From: USA

Posts: 1,856
Thanks: 962

Quote:
 Originally Posted by Addez123 I got 3 As and 2 Bs, how many ways can I sort this? AAABB AABAB ... Since switching an A with another A doesnt change the pattern, how many ways can I arrange these letters?
once you place the A's, the B's places are set.

How many ways can you arrange 3 A's in 5 slots?

 May 5th, 2017, 07:33 PM #4 Newbie   Joined: May 2017 From: phoenix, az Posts: 7 Thanks: 0 10 different ways
May 5th, 2017, 08:22 PM   #5
Senior Member

Joined: Sep 2015
From: USA

Posts: 1,856
Thanks: 962

Quote:
 Originally Posted by jroff419 10 different ways
give that man a kewpie doll!

 Tags sort, ways

 Thread Tools Display Modes Linear Mode

 Similar Threads Thread Thread Starter Forum Replies Last Post tejolson Algebra 4 December 10th, 2013 02:54 PM pr001 Computer Science 0 January 17th, 2011 06:44 AM pdat100 Computer Science 11 May 17th, 2010 02:00 AM David Algebra 2 October 10th, 2009 01:38 PM mikeleblanc666 Computer Science 3 May 13th, 2009 08:47 PM

 Contact - Home - Forums - Cryptocurrency Forum - Top