Решение задачи N2076 теория вероятностей

2076. There are three machines in the workshop. They require adjustment during the shift with probabilities of 0.05; 0,1 and 0,3 respectively. What is the probability that during the shift it will be necessary to establish: a) all machines; b) only one machine tool.

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