Решение задачи N2409 теория вероятностей

2409. The shooter makes 3 shots at the target. The probability of hitting the first shot is 0.8, at the second - 0.7, at the third - 0.6. Determine the probability that will be:
1) two hits and one slip;
2) at least one hit.

Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)