Brian Candler wrote:

> 
> My advice to you would be the same: start by doing the simulation *by 
> hand*, using paper and pencil. Do it for at least 5 ambulances so that 
> you can be clear about the sequence of actions. Then automate that 
> sequence.
> 
> The question seems ambiguous in several ways, so as you do it, write 
> down what interpretation you have chosen. For example, what does "15 + 
> 10 minutes" mean? Perhaps it means 15 +/- 10 minutes (i.e. 5 to 25), or 
> between 15 and 15 + 10 (i.e. 15 to 25). Is this a linear distribution, 
> i.e. all times equally likely? Is it discrete (exactly 5 or 6 or ... 25 
> minutes), or continuous (any fractional value between 5.0 and 25.0)?

thx for the response i'll try your advice thanks brain

cheers
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