DLP TVs require a special light bulb to project the picture. Assume that the average life of a DLP bulb is? 1,000 hours and that this failure time follows the exponential distribution. What is the probability that a randomly selected bulb will last between 900 and? 1,200 hours?
A. 0.2597
B. 0.5621
C. 0.4114
D. 0.1054