I like the simplicity of this, and since the probabilities in my case are certain to add up to 1 (because I normalised them) then a 100-long array might be the simplest way.

I have, however, learned a fair amount from everyone else's replies! Thanks all.

In reply to Re^2: How do I get a random index with weighting? by m_al
in thread How do I get a random index with weighting? by m_al

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