Question: What is the significance of \'probability theory\' in modern mathematics?

Options:

1. It is used exclusively in statistics.
2. It helps in making predictions based on data.
3. It is irrelevant to real-world applications.
4. It only applies to discrete events.

Correct Answer: It helps in making predictions based on data.

Solution:

Probability theory is significant as it helps in making predictions based on data, applicable in various fields including statistics and finance.