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Subject: 
Re: Dumb question, in all probability
Newsgroups: 
lugnet.off-topic.geek
Date: 
Wed, 24 Mar 2004 19:15:27 GMT
Viewed: 
623 times
  
In lugnet.off-topic.geek, Dave Schuler wrote:

I was on the right track until this step.  Why are the BBBBB and WWWWW results
added together?

Because out of all the possible outcomes (which together must sum to 1.0000, by
definition) those are the two outcomes that match your description (all one
color)... none of the other outcomes (BBBBW, BBBWB, BBBWW, etc etc etc ... keep
enumerating on through to WWWBB WWWBW WWWWB) match your all one color desired.
So if you have multiple outcomes that fit the description, and there is no
dependence among them, you can add them.



Message has 1 Reply:
  Re: Dumb question, in all probability
 
(...) Ah! Now I get it, I think. So if the question is "What are the chances of drawing all white?" then the answer is 0.028142247%, but if the question is (as I stated it) "What are the chances of drawing all one color?" then the all-white chance (...) (21 years ago, 24-Mar-04, to lugnet.off-topic.geek)

Message is in Reply To:
  Re: Dumb question, in all probability
 
(...) I was on the right track until this step. Why are the BBBBB and WWWWW results added together? (...) Thanks for playing, in any case. Dave! (21 years ago, 24-Mar-04, to lugnet.off-topic.geek)

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