Random Variable and Probability Distribution

The following are the number of cars sold per day at ABC Motor corporation during the past 495 working days. The following are the number of cars sold per day at ABC Motor corporation during the past 500 working days Number of Number of cars sold per Vy Frequency day. x of outcomes cars sold per Frequency of day, * outcomes 30 100 100 142 142 71 32 32 18 10 10 Total 495 Total 500 What is the standard deviation of the probability distribution of the number of cars sold in a given day? (input answer in # decimal places) What is the probability that more than two but at most ten cars will be sold in a day? (input answer in d decimal places type your answer. type your answer- The following table contains the probability distribution for X = the number of 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. re-transmissions necessary to successfully transmit a 5 GB data package through a double satellite media P(x) P(x) 0.40 0 0.40 0.30 0.30 0.25 0.05 0.25 D.05 Find the probability that there are three re-transmissions. Find the probability that there is at most one re-transmission. 0.30 0.40 O 0.25 0.30 0.40 0.70 0.05 0.60 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) 0.3100 0.1200 0.1700 0.1200 0.1300 .1000 0.0500 What is the probability that on a given day, discipline officers will discover at least 4 violations of the student handbook. (Input answer in 4 decimal places] type your answer. 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) 0.3100 0.1200 D.1700 0.1200 0.1300 0.1000 0.0500 What is the standard deviation of the probability distribution? (Input answer in 4 decimal places) type your