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05 Jul 2004, 04:15
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There is a sack with 10 white balls. In how many ways can one take none of the balls? All of the balls?
Archived Topic
Hi there,
This topic has been closed and archived due to inactivity or violation of community quality standards. No more replies are possible here.
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05 Jul 2004, 16:18
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To stolyar,
Actually, it is simple combi not prob
My humble contribution to this remark for new comers:
There is a sack with 1000 balls and one of them is white and the rest are black. In how many ways can one pull out the white ball?
1
In how many ways can one pull out these 999 black balls?
1
What is the prob to pull out the white ball?
1/1000
What is the prob to pull out a black ball?
999/1000
Stolyar! I am very pleased with your DS's & PS's you've posted here.
Spasibo!
My regards
Actually, it is simple combi not prob
Quote:
My humble contribution to this remark for new comers:
There is a sack with 1000 balls and one of them is white and the rest are black. In how many ways can one pull out the white ball?
1
In how many ways can one pull out these 999 black balls?
1
What is the prob to pull out the white ball?
1/1000
What is the prob to pull out a black ball?
999/1000
Stolyar! I am very pleased with your DS's & PS's you've posted here.
Spasibo!
My regards
05 Jul 2004, 22:19
Kudos
Bookmarks
Ya rad chto tebe ponravilis moi zadachki. :wink:
You are welcome to post yours!
You are welcome to post yours!
Archived Topic
Hi there,
This topic has been closed and archived due to inactivity or violation of community quality standards. No more replies are possible here.
Where to now? Join ongoing discussions on thousands of quality questions in our Quantitative Questions Forum
Still interested in this question? Check out the "Best Topics" block above for a better discussion on this exact question, as well as several more related questions.
Thank you for understanding, and happy exploring!
