possibilities of the Chaos Scroll

This is exactly Problem i have to deal with now. for me a chance of 10/64 is really high. It just seems to high for me.
But maybe im really wrong.

Anyway thanks a lot forall the answers.

I'd rather think of it this way:
First of all, there's a 60% chance of making the scroll work.
Second, summing up all other probabilities below 3 attack gives you 3/4. That is, in 75% of all the cases where the scroll is working, it will be below a 3 attack bonus. Adding in the 60%-probability means that there's a 15% chance on every scroll to get a 3 attack or more increase.

Doesn't really sound that bad, but keep in mind that you cannot use a white scroll to guarantee a good result from this. Having just two in a row over 2 attack gives you a chance of 2.25%. This means you will need roughly 52 scrolls on average to get it to work and 44 items of the type, in same condition. For two scrolls. I'm quite sure there's a lot easier to use other scrolls for the same purpose, unless you are scrolling a cape or some gloves.

Noah