在竞争如此激烈的市场中，成功的可能性有多大？

What is the ___probability of success in such a competitive market?

本周末下雨的可能性很大，所以我们应该重新安排野餐。

There is a high ___probability of rain this weekend, so we should reschedule the picnic.

统计数据显示，婚姻头五年内离婚的概率相当大。

Statistics show that the ___probability of divorce within the first five years of marriage is significant.