I was selected for a phone interview which consisted of answering several probability and statistics questions. The questions would start off simple and then build off one another eg, how much would you be willing to pay to roll 3 dice?

I received a phone interview. We scheduled a phone interview and the interviewer asked me two questions, one is about numbers and the other one is about probability. I did not quite understand the math question at first, but the math was easy. However, I am bad at probability, I spent around 30 minutes on that question, and finally, the interviewer just told me the answer and I did not get the next round.