STAT 200 Week 3 Homework Problems Solutions, University of Maryland University College (UMUC)

STAT 200 Week 3 Homework Problems 4.1.4 A project conducted by the Australian Federal Office of Road Safety asked people many questions about their cars. One question was the reason that a person chooses a given car, and that data is in table #4.1.4 ("Car preferences," 2013). Table #4.1.4: Reason for Choosing a Car Safety Reliability Cost Performance Comfort Looks 27 Find the probability a person chooses a car for each of the given reasons. Safety: 84 + 64 + 46 + 34 + 47 + 27 = 300 then 84/300 = 28% Reliability: 84 + 64 + 46 + 34 + 47 + 27 = 300 then 62/300 = 21% Cost: 84 + 64 + 46 + 34 + 47 + 27 = 300 then 46/300 = 15% Performance: 84 + 64 + 46 + 34 + 47 + 27 = 300 then 34/300 = 11% Comfort: 84 + 64 + 46 + 34 + 47 + 27 = 300 then 47/300 = 16% Looks: 84 + 64 + 46 + 34 + 47 + 27 = 300 then 27/300 = 9% 4.2.2