Suppose that the length X of the life (in years) of a battery for a computer has a distribution that can be described by the pdf: 50 f(x) = e 25 Determine the probability that the battery fails before the one year warranty expires on the computer. a) O 0.1392 b) 0 0.2198 c) 0 0.9802 d) O 0.0392 e) O0.0198 f) O None of the above