For safety reasons, four different alarm systems were installed in the vault containing the safety deposit boxes at a Beverly Hills bank. Each of the four systems detects theft with a probability of 0.99 independently of the others. What is the probability that when a theft occurs, all four systems will detect it?
A. (.99)4B. (.99) * 4C. (.01)4D. 4*(0.01)*(0.99)3E. 4*(0.99)*(0.01)3