Re: Possible combinations

In article <4311ce00$0$89709$dbd45001@xxxxxxxxxxxxxxx>,
Janwillem Borleffs <jw@xxxxxxxxxxxxx> wrote:
>I have got a very basic question:
>
>When I have to variables:
>
>a = 0 or 1
>b = 0 or 1
>
>Then there are 2 pow2 = 4 possible combinations. This is easy enough.
>
>But when I have the following variables:
>
>a = 0 or 1 or 2
>b = 0 or 1
>
>How do I calculate the number of calcutions then?

Multiply them.

If you have two events, A and B, which are independent; if A may occur
in any of k ways, and B may occur in any of m ways, then the number of
ways in which A and B may occur is k*m; the number of ways in which
either A or B may occur is k+m.

--
======================================================================
"It's not denial. I'm just very selective about
what I accept as reality."
--- Calvin ("Calvin and Hobbes")
======================================================================

Arturo Magidin
magidin@xxxxxxxxxxxxxxxxx

.

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