499. The probability of failure during a time T of one capacitor is 0.2. Determine the probability that within a time T of 100 capacitors will fail: a) exactly 10 capacitors; B) at least 20 capacitors; C) less than 28 capacitors;
D) from 14 to 26 capacitors.

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