Читать книгу Probability and Statistical Inference - Robert Bartoszynski - Страница 17

In Example 1.1, the sample space has sample points in the case of two tosses, and points in the case of three tosses of a die. The first statement can be verified by a direct counting of the elements of the sample space. Similar verification of the second claim, although possible in principle, would be cumbersome. In Chapter 3, we will introduce some methods of determining the sizes of sets without actually counting sample points.