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History Bookmarks People vO Do Homework-Matthew Roth Secure https:/www.mathxl.com/Student/PlayerHomework.aspx?homeworkld 462958401&questionld; 38flushed Matthev QMB 3200 Spring 2018 Homework: Chapter 4 Homework Score: 0.07 of 1 pt (74.2.19 3 of 10 (10 complete) HW 25 vehicles are cars. A local car dealership currently has 35 used Company A, Company B, and Company C vehicles that can be classified as either cars or trucks. The following 10 vehicles are Company A data are available. Complete parts a) through g) below 14 vehicles are Company B. 3 vehicles are both Company C and trucks. 13 vehicles are both Company B and cars. a) What is the probability that a randomly selected vehicle is a Company C? 314 (Round to three decimal places as needed.) b) What is the probability that a randomly selected vehicle is a truck? 286 (Round to three decimal places as needed.) c) What is the probability that a randomly selected vehicle is either a Company B or a car? Round to three decimal places as needed.)

Explanation / Answer

Part a(11/35) and b(10/35) are correct

Part C

P(vehicle either comapany B or car)

For this we need to find total vehicles possible

= total Vehicles of company B + total cars - Vehicles of company B which are cars

= 14 + 25 - 13

= 26

Note: we are substracting Vehicles of company B which are cars as they are repeating in both the cateogries

Thus, required probability = 26/35 = 0.743

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