Among fatal plane crashes that occurred during the past 70 years 184 were due to pilot error 53 were due to other human error 72 were due to weather 617 were due to mechanical problems and 58 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 Complete the relative frequency distribution below Cause Relative Frequency Pilot error Other human error Weather Mechanical problems Sabotage Round to one decimal place as needed Came