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Business, 08.09.2020 14:01 dozsyerra

Among fatal plane crashes that occurred during the past 55 years, 619 were due to pilot error, 85 were due to other human error, 574 were due to weather, 566 were due to mechanical problems, and 524 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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