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Mathematics, 20.01.2020 21:31 alexandrecarmene

Among fatal plane crashes that occurred during the past 7070 years, 458458 were due to pilot error, 6868 were due to other human error, 510510 were due to weather, 661661 were due to mechanical problems, and 215215 were due to sabotage. construct the relative frequency distribution. what is the most serious threat to aviation safety, and can anything be done about it?

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