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Math guys- Statistics Question

Posted on 5/6/19 at 8:29 pm
Posted by RandySavage
9 Time Natty Winner
Member since May 2012
35095 posts
Posted on 5/6/19 at 8:29 pm
Sally has 11 pairs of socks in her drawer. Each pair is a different color and design, but they are not together as pairs; they are just in her drawer scattered about. With her left hand, Sally reaches in and picks one sock.

a. While holding that one sock in her left hand, Sally reaches into the drawer and picks another sock. What is the probability of her getting a sock that will match the sock in her left hand?

Just want to make sure I'm doing this right?
Posted by TulaneFan
Slidell, LA
Member since Jan 2008
14092 posts
Posted on 5/6/19 at 8:29 pm to
I’m not doing your homework baw
Posted by Caplewood
Atlanta
Member since Jun 2010
39424 posts
Posted on 5/6/19 at 8:30 pm to
1/21
Posted by Korkstand
Member since Nov 2003
29074 posts
Posted on 5/6/19 at 8:30 pm to
1 in 21


ETA: I hope this is your child's math homework
This post was edited on 5/6/19 at 8:31 pm
Posted by Hogwarts
Arkansas, USA
Member since Sep 2015
18330 posts
Posted on 5/6/19 at 8:31 pm to
3 out of 2 people can’t do fractions.
Posted by burdman
Louisiana
Member since Aug 2007
22649 posts
Posted on 5/6/19 at 8:31 pm to
Seems like it would be 1/21, but I’m sure I’m wrong
Posted by USMEagles
Member since Jan 2018
11811 posts
Posted on 5/6/19 at 8:31 pm to
There are 21 socks left in the drawer. Only one is the one that matches the first sock. So one in 21 would seem to me to be the answer, unless there's some weird Monty Hall-type twist I'm missing.
Posted by Tunasntigers92
The Boot
Member since Sep 2014
28101 posts
Posted on 5/6/19 at 8:32 pm to
Round it and add a zero
This post was edited on 5/6/19 at 8:32 pm
Posted by athenslife101
Member since Feb 2013
20359 posts
Posted on 5/6/19 at 8:33 pm to
Umm. 100%. She’s holding her sock in her left hand she’s reaching into the drawer with Am I doing this right.
Posted by Korkstand
Member since Nov 2003
29074 posts
Posted on 5/6/19 at 8:33 pm to
quote:

Round it and add a zero
Annex a zero. Adding zero does nothing.



I'm only an arse about this because I said the same shite in 7th grade and my teacher was a bitch about it.
Posted by RandySavage
9 Time Natty Winner
Member since May 2012
35095 posts
Posted on 5/6/19 at 8:33 pm to
Ha, it's actually a doctoral level stats class I guess to help get ready for dissertation. I haven't had a formal math class in probably 15 years. I had 1/21 or .0476 but it seemed too easy so just wanted to make sure I wasn't being a moron and missing something.
Posted by ThatMakesSense
Fort Lauderdale
Member since Aug 2015
15281 posts
Posted on 5/6/19 at 8:34 pm to
These are the best.
Posted by TheTexasTiger7
Dallas - Baton Rouge
Member since Jun 2018
9387 posts
Posted on 5/6/19 at 8:34 pm to
This one is incredibly hard, but I believe the odds are 1/350.
Posted by Tigerbait357
Member since Jun 2011
70832 posts
Posted on 5/6/19 at 8:34 pm to
Posted by TDcline
American Gardens building 11th flor
Member since Aug 2015
9498 posts
Posted on 5/6/19 at 8:35 pm to
Because 7 ate 9
Posted by Sao
East Texas Piney Woods
Member since Jun 2009
68469 posts
Posted on 5/6/19 at 8:35 pm to

Sally's maid needs a good talking to.
Posted by Cheese Grits
Wherever I lay my hat is my home
Member since Apr 2012
60801 posts
Posted on 5/6/19 at 8:36 pm to
quote:

Just want to make sure I'm doing this right?


If Sally was in the Navy before her tranny operation you are not doing the OTL justice.
Posted by athenslife101
Member since Feb 2013
20359 posts
Posted on 5/6/19 at 8:37 pm to
It’s not 1/21. One sock is akready removed from selection
Posted by burdman
Louisiana
Member since Aug 2007
22649 posts
Posted on 5/6/19 at 8:37 pm to
TMI = ((L*D)+(W/G))/(A^2)
Posted by Winston Cup
Dallas Cowboys Fan
Member since May 2016
66809 posts
Posted on 5/6/19 at 8:37 pm to
How many dildos does she keep in her sock drawer?
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