What is the probability of that event occurring?

He is majoring in statistics.

Demography is an important tool for understanding various aspects of society.

He is known as a person with learning.

He studies well.

The bathroom in my house is very spacious.

You did well on the test, didn't you?

I'm glad you could come.

He is using that coat from winter to spring.

You need to use your head to solve this problem.