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Mathematics, 24.08.2020 23:01 taylorbean315

Among fatal plane crashes that occurred during the past 50 years, 236 were due to pilot error, 61 were due to other human error, 311 were due to weather, 574 were due to mechanical problems, and 634 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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