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Subject:
Statistics - Lottery like
Category: Science > Math Asked by: sibilance-ga List Price: $20.00 |
Posted:
22 Mar 2006 15:09 PST
Expires: 21 Apr 2006 16:09 PDT Question ID: 710714 |
Given: You have 60 numbers (1 through 60). Scenario 1.)What are the odds of selecting the following 6 numbers: 1, 2, 3, 4, 5, 6. Scenario 2.)What are the odds of selecting the following 6 numbers: 1, 11, 17, 22, 34, 55. Are the odds different and what are they? |
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There is no answer at this time. |
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Subject:
Re: Statistics - Lottery like
From: ansel001-ga on 22 Mar 2006 16:53 PST |
The odds are the same for either group of six numbers or any group of six numbers. I assume you want to select all six of them with just six picks without replacement. The probability of selecting six given numbers without replacement is: (6/60)*(5/59)*(4/58)*(3/57)*(2/56)*(1/55) = 1/50,063,860 |
Subject:
Re: Statistics - Lottery like
From: nelson-ga on 22 Mar 2006 19:23 PST |
Although mathematically the probability is the same, you just know 1, 2, 3, 4, 5, 6 is less likely to happen somehow. |
Subject:
Re: Statistics - Lottery like
From: ansel001-ga on 22 Mar 2006 20:05 PST |
This is where intuition fails you. The set of numbers 1, 2, 3, 4, 5, 6 is not less likely to happen somehow than some other set. But they have a unique feel unlike any other set. In reality you are comparing by feel, this one special set against many other sets that all feel similar to each other. Not special. 1, 11, 17, 22, 34, 55 1, 12, 17, 22, 34, 55 1, 11, 17, 22, 34, 56 etc. Three different sets. But they all feel the same. Not special. They all feel like NOT 1, 2, 3, 4, 5, 6 And so when one of them comes up, a set feels not special came up. And a not special set is more likely to come up, than a set that feels special because there are so many more not special sets. But a given, individual not special set is no more likely to come up than the set consisting of the first six counting numbers. |
Subject:
Re: Statistics - Lottery like
From: jack_of_few_trades-ga on 23 Mar 2006 05:20 PST |
Of course, the real question asked is "what are the odds of SELECTING the following 6 numbers: 1,2,3,4,5,6" In the real lotery, I bet the numbers 1,2,3,4,5,6 are selected very often by the people playing. And because of this, if those number are ever chosen as the winning numbers, then everyone who selected those numbers will receive only a small portion of the total winnings because they must split it with everyone else who selected those numbers. |
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