1. At the Toyota plant in Cambridge, an assembly line robot installs CD players in each car produced on the line. For quality control, the units are tested to make sure they are installed properly. The probability of a malfunction is 0.2. a) Define the random variable, X. b) Identity the type of probability distribution. c) Determine the probability that 5 CD players will be tested before a malfunction is found. d) What is the expected number of tests before a malfunction is found