Exam (elaborations) STAT 200 Week 3 Homework Problems.

STAT 200 Week 3 Homework Problems4.1.4A 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 CarSafetyReliabilityCostPerformanceComfortLooks727Find the probability a person chooses a car for each of the given reasons.Total = 84+62+46+34+47+27=300P(Safety) = 84/300=0.28P(Reliability) = 62/300=0.27P(Cost) = 46/300=0.15P(Performance) = 34/300=0.11P(Comfort) = 47/300=0.16P(Looks) = 27/300=0.094.2.2Eyeglassomatic manufactures eyeglasses for different retailers. They test to see how many defective lenses they made in a time period. Table #4.2.2 gives the defect and the number of defects. Table #4.2.2: Number of Defective Lenses Defect type Number of defectsScratch5865Right shaped – small4613Flaked1992Wrong axis1838Chamfer wrong1596Crazing, cracks1546Wrong shape1485Wrong PD1398Spots and bubbles1371