Triangles are part of our daily life. Just like patterns, we can find them everywhere. In a short bond paper, draw or cut any structure with congruent triangles and explain the importance of this in man's life.

The computer that controls a bank's automatic teller machine crashes a mean of 0.6 times per day. what is the probability that, in any seven-day week, the computer will crash less than 5 times? round your answer to four decimal places