Suppose that the random variable x, shown below, represents the number of speeding tickets a person received in a three-year period. P(x) represents the probability of a randomly selected person having received that number of speeding tickets during that period. Use the probability distribution table shown below to answer the following questions. P(x) 0 0.5401 1 0.1637 2 0.1506 3 0.0949 4 0.0311 5 0.0196 6+ 0.0000 a) What is the probability that a randomly selected person has received at most two tickets in a three-year period? b) What is the probability that a randomly selected person has received more than four tickets in a three- year period? Submit Question