Question

при двукратном бросании игрального кубика в сумме выпало 6 очков найдите вероятность что в первый раз выпало мненьше 3 очков

Answer 1

При двукратном бросании игрального кубика сумму в 6 очков дадут следующие исходы:
1+5; 2+4; 3+3; 4+2; 5+1. Всего 5 исходов.
Среди данных исходов только два подходят нам. Это 1+5 и 2+4.
Получаем вероятность  Р= 2/5 = 0,4

Answer 2

Problem Statement

We are given that the sum of the outcomes of two dice rolls is 6. We need to find the probability that the outcome of the first roll is less than 3.

Solution

To find the probability, we need to determine the number of favorable outcomes and the total number of possible outcomes.

Let's consider the possible outcomes for the sum of 6: - (1, 5) - (2, 4) - (3, 3) - (4, 2) - (5, 1)

Out of these five outcomes, only two have the first roll less than 3: (1, 5) and (2, 4).

Therefore, the number of favorable outcomes is 2.

The total number of possible outcomes when rolling two dice is 36, as there are 6 possible outcomes for each die.

Therefore, the probability that the first roll is less than 3, given that the sum is 6, is 2/36, which simplifies to 1/18.