Let Us Practice More O Answer each of the following problems. 1. The probabilities that a traffic inspector will discover violations of the Traffic Code in Davao City are given in the following table. Number of Violations (X) Probability P(X) O 0.41 1 0.22 2 0.17 0.13 4 0.05 5 0.02 a. Solve for the mean and variance. b. Interpret the mean and the variance of the problem.2. The following data show the probability distribution of the number of Android Cellular Phones sold daily in the Inday CP Shop during the past several months. Number of Android Phones (X) Probability P(X) 0 0.10 0.20 2 0.45 0.15 4 0.05 5 0.05 a. Find the mean and variance of the probability distribution. b. Interpret the mean and the variance of the problem.t tit Let Us Enhance In one of the banks in Davao City, the number of tellers {X} are busy with customers at 12:00 noon that varies from day to day. Past records indicate the probability distribution of 1*: below, Answer the following questions: 1. What is the probability that exactly two tellers are busy at 12:00 noon? 2. What is the probability that at least three tellers are busy at 12:00 noon? 3. What is the probability that fewer than the four tellers are busy at 12:00 noon? . What is the probability that, at least to two, but fewer than four tellers are busy at 12:00 noon? 5. Solve and interpret the mean and variance of the probability distribution? .p