K.R. Foley kr at cybsft.com
Thu May 15 17:22:34 UTC 2008

```susmit shannigrahi wrote:
>> we don't know this number (100) in the app...
>> Hence it needs to be a probability chosen out of the 53 (which we do
>> know).
>
>
> No, Wait.
>
> I can show if this is true for 100, this will be true for _any_ number.
>
> * As we are generating a random number within 100, the probability of each
> number being picked up is 1/100.
>
> * So the probability of getting a number within 85 is always 85/100.
>
>
> * Lets assume there are n requests to distribute.
>
> * Whatever be the value of n, the random number's probability of being
> in range <85
> is 85/100.
>
> * So out of n requests, n*85/100 requests will always be routed to X
> irrespective of the value n.
>
> * Lets say n=10..So X gets 10*85/100 = 8.5 requests.
>
> * Lets say n=27 so X gets 27*85/100 = 22.95 requests.
>
> * If n=1, then the probability that X will get that particular requests is 85%.
>
> Correct?
>
Problem with this is that you never know n :)

--
kr

```