Читать книгу Probability and Statistical Inference - Robert Bartoszynski - Страница 18

Suppose that the only available information about the numbers, those that turn up on the upper faces of the die, is their sum. In such a case as outcomes, we take 11 possible values of the sum so that

For instance, all outcomes on the diagonal of Table 1.1—(6, 1), (5, 2), (4, 3), (3, 4), (2, 5), and (1, 6)—are represented by the same value 7.