A random variable X can be modeled by the Exponential distribution, where B = 6 = 3, A = %. (a) Complete the sentence. The distribution of X is ? c , with px = E and crx = (Enter numerical answers to two decimals.) (b) Find P(3 g X S 4). Use four decimals. I ll! (c) Find the 20-th percentile. Enter your answer to two decimals. Use two decimals in your answer. X20 = I ll! (d) Find P(X > 8). Use four decimals in your answer. I ll! Preview My Answers Submit Answers 1 li