Answer with solution

0.5 points The probabilities that discipline officers will discover violations of the student handbook in a certain school in a quarter are given in the following table. Number of Violations (v) Probability P(v) 0.3200 0.1200 0.1700 0.1200 0.1300 0.1000 3 4 5 6 T 3 9 0.0400 What is the variance of the probability distribution? (Input answer in 4 decimal places) type your answer... F 0.5 points There are 15 mobile phones in a package box, 9 of which are iphones. If a person takes 5 phones from the box, what is the probability that at least three iphones will be picked from the box? (Input answer in 4 decimal places) type your answer... 0.5 points The following table contains the probability distribution for X = the number of re-transmissions necessary to successfully transmit a 5 GB data package through a double satellite media. Find the probability that there are two retransmissions. 0.40 0.25 0.05 0.30 0.5 points The following are the number of cars sold per day at ABC Motor corporation during the past 500 working days. Number of cars Frequency of sold per day, x outcomes 0 35 1 100 2 142 3 71 4 36 5 32 6 26 7 18 8 16 9 14 10 8 11 2 Total 500 What is the probability that more than two but at most ten cars will be sold in a clay? (input answer in 4 decimal places) type your answer... 5 0.5 points You flipped four coins. Let X be a random variable representing the number of heads on all four coins. What are the possible values of x? O x = {1, 2, 3} x = {0, 1, 2, 3, 4} X = 4 O X = 16