Suppose that the random variable z, shown below, represents the number times. P(z) 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. 17 z P(z) 0.2686 1 0.264 2 0.2633 0.1363 4 0.0485 0.0193 6+ 0.0000 a) What is the probability that a randomly selected person has received three tickets in a three-year period? P(z = 3) = %3D b) What is the probability that a randomly selected person has received one tickets in a three-year period? P(z = 1) = c) What is the probability that that a randomly selected person has received more than three tickets in a three-year period? P(z > 3) = d) What is the probability that that a randomly selected person has received zero or less tickets in a three- year period? P(z < 0) =

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