Question Hep , Among fatal plane crashes that occurred during the past 50 years,

Question

Question Hep , Among fatal plane crashes that occurred during the past 50 years, 165 were due to plot error, 82 were due to other human err, 207 were due to weather 50 wer due to mechanical problems, and 201 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 Relative Frequency 15.8% Cause Pilot error Other human error Weather 78 % 19.8% Mechanical problems 56.5 Sabotage (Round to one decimal place as needed.) 19,2% Cbeck Answer Enter your answer in the edit fields and then click Check Answer 605 PM

Explanation / Answer

Total error = 165+82+207+590+201+ = 1245

Relative frequency % for Pilot error = (165/1245)*100 = 13.3%

Relative frequency % for other human error error = (82/1245)*100 = 6.6%

Relative frequency % for weather = (207/1245)*100 = 16.6%

Relative frequency % due to mechanical problems = (590/1245)*100 = 47.4%

Relative frequency % due to sabotage = (201/1245)*100 = 16.1%

Most serious threat to aviation safety is error to mechnical error because its relative frequency % is highest, i.e. 47.4%. Proper steps required to reduce the number of mechnical error and proper trained work force is required to complete the mechanical tastks in order to reduce the mechanical orders.

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