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Topic: probability question about the dice game
Replies: 11   Last Post: Feb 18, 2013 10:43 AM

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David Bernier

Posts: 3,892
Registered: 12/13/04
Re: probability question about the dice game
Posted: Feb 15, 2013 10:51 PM
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On 02/15/2013 02:16 PM, quasi wrote:
> wrote:

>> I've lived in the States. I've lived in the UK. People say
>> things like "The odds of winning the lottery are millions to one."

> In this context, it means "millions to one _against_".
> The "against" can be omitted without loss of clarity since the
> context makes it clear that it has to be "against".
> But when the probabilities are less clear, the odds should be
> taken literally, that is,
> odds of a to b means a probability of a/(a+b).
> If one says,
> "The odds are 2-to-1 that it will rain tomorrow"
> that means a 2/3 chance of rain.
> On the other hand, if one
> "The odds are 2-to-1 against rain tomorrow"
> that means a 1/3 chance of rain.
> quasi

Yes, that's what I would think. I've heard of "even odds",
meaning 1 to 1 as in a coin toss. A fair bet would be
for each of two gamblers to put $ 0.01 into the pot.
(1::1 or 1:1, I forget).

David Bernier

dracut:/# lvm vgcfgrestore
File descriptor 9 (/.console_lock) leaked on lvm invocation. Parent PID
993: sh
Please specify a *single* volume group to restore.

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