Solved: Driver Fatalities The following data represent the number of drivers involved in
Chapter 5, Problem 20(choose chapter or problem)
Driver Fatalities The following data represent the number of drivers involved in fatal crashes in the United States in 2009 by day of the week and gender. Male Female Total Sunday 8,222 4,325 12,547 Monday 6,046 3,108 9,154 Tuesday 5,716 3,076 8,792 Wednesday 5,782 3,011 8,793 Thursday 6,315 3,302 9,617 Friday 7,932 4,113 12,045 Saturday 9,558 4,824 14,382 Total 49,571 25,759 75,330 Source: National Highway Traffic Safety Administration, Fatality Analysis Reporting System (a) Among Sunday fatal crashes, what is the probability that a randomly selected fatality is female? (b) Among female fatalities, what is the probability that a randomly selected fatality occurs on Sunday? (c) Are there any days in which a fatality is more likely to be male? That is, is P(male Sunday) much different from P(male Monday) and so on?
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