Jan 27, 2025
[Disclaimer: I am not a member so I could only read the first few paragraphs of this piece. Apologies in advance if I am discussing something already covered by it. AT]
Unless the question is poorly worded, there should be no difference in probably solely due to the color of the balls., i.e. 1/2 (assuming 1/2 is actually correct for blue).
However, I doubt you would pose such a simple question, so I suspect something is missing from your description of the problem.