Question

An explosion in a factory manufacturing explosive can occur because of 1. leakage of electricity, 2. defects in machinary, 3. carelessness of worker or 4. sabotage. The probability that (a) there is a leakage of electricity is 0.20 (b) the machinery is defective is 0.30 (c) the workers are careless is 0.40 (d) there is sabotage is 0.10

Answer 1

Carelessness of workers is the most likely cause of explosion