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Math question for the Binomial sharps
| December 12th, 2011 at 1:34:47 AM permalink | |
| shakhtar Member since: Nov 24, 2011 Threads: 3 Posts: 7 | Hypothetical scenario: Mike plays three Pick 4 numbers in 20 separate state drawings a day. He ends up entering 7300 drawings for the year. Obviously his chance of not winning any 1 individual drawing is .9997 Therefore, we can figure that he has a 88.81% chance of at least winning once during the 7300 drawings for the year. every drawing will have him picking 3 numbers per draw for a .0003% chance per draw My question is, what are the percentage probabilities of mike hitting 1 out of 7300, 2 out of 7300, 3 out of 7300 etc..? If possible, I would like the percentage probabilities up to 10 out 7300. My thanks for anyone who takes the time to figure this out, as I have not yet figured out how to do this correctly. |
| December 12th, 2011 at 4:22:35 AM permalink | |||||||||||||||||||||||||||
| ChesterDog Member since: Jul 26, 2010 Threads: 0 Posts: 199 | Excel gets these results:
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| December 12th, 2011 at 11:36:32 AM permalink | |
| shakhtar Member since: Nov 24, 2011 Threads: 3 Posts: 7 | Thanks ChesterDog Is the program you used available anywhere? |
| December 12th, 2011 at 11:57:03 AM permalink | |
| ChesterDog Member since: Jul 26, 2010 Threads: 0 Posts: 199 |
"Excel" is a spreadsheet program; it's one of the three programs of Microsoft Office, which you can buy from Microsoft or an electronics store. For example, to do your binomial problem in Excel for 10 hits, you would type the following formula in a cell. =combin(7300,10)*.0003^10*.9997^(7300-10) |
| December 12th, 2011 at 12:10:18 PM permalink | |
| JB Administrator Member since: Oct 14, 2009 Threads: 309 Posts: 906 |
Or you could use the binomial distribution function: =binomdist(10,7300,3/10000,false) |
| December 12th, 2011 at 1:42:39 PM permalink | |
| progrocker Member since: Feb 21, 2010 Threads: 4 Posts: 299 |
There's also Open Office, which is free and open sourced, and will open .xls files as well as give you the option to save as .xls. http://www.openoffice.org/ Solo venimos, solo nos vamos. Y aqui nos juntamos, juntos que estamos. |
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