Question

21 were due to weather, 371 were due to mechanical problems, and 457 were due to sabotage Among fatal plane crashes that occurred during the past 50 years, 13 were due to pilot error, 61 were due to other human Construct the relative frequency distribution. What is the most serious threat to aviation safety, and can anything be done shout Complete the relative frequency distribution below. Relative Cause Frequency Pleterror Other human error Weather Mechanical problems Sabotage (Round to one decimal place as needed) What is the most serious threat to aviation Safety, and can anything be done about it? O A. Pilot error is the most serious threat to aviation Safety Plots could be better trained OB. Sabotage is the most serious threat to aviation Safety Airport security could be increased OC Weather is the most serious threat to aviation safety. Weather monitoring systems could be improved OD. Mechanical problems are the most serious threat to aviation safety. New planes could be better engineered

Answer 1

Ri= F/N% The relative Frequency is given by the table, Cause Frequency Relative Frequency Pilot Eeros 313 0.2199 no.22 Other human Essor GI 0.042 221 Mechanical Problems 371 0.26 Sabotage 457 0.04 0.155 ~ 0015 Weather 0.32 IN=1423 1001 Total We Find that Sabotage has manimum Relative Peogen . (B) Sabotage is the most serious threat to quiation saftey. Airport Security Should be increased