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ru2008 wrote:Air Travel is becoming increasingly more dangerous. In the last year there have been seven major collisions resulting in over 700 deaths, more deaths than in any previous year.
Which statement, if true, would most weaken the argument above?
A. Since the volume of air traffic has been increasing all the time, an increase in the number of deaths due to collisions does not necessarily mean greater danger.
B. The increase in collisions can be explained by statistical coincidence, hijackings, and unusual weather.
C. Mortality per passenger mile is lower for air travel than for any kind of surface transportation.
D. The increase in deaths due to collision in air travel has proceeded at a rate identical to that for deaths in all other major forms of transportation.
E. Last year the average number of passengers per flown plane was significantly lower than that of previous years.
The book reasons that 'E' means more collisions? Can someone please explain why?
i originally thought it was D too..lets go deeper.kvcpk wrote:But in a weaken question, we are allowed to assume that the answer choices are right..786 wrote:We are comparing deaths by air travel only .......... i.e deaths by air travel in two particular years .
So talking about other modes transport becomes irrelevant to the argument !
hi,reply2spg wrote:A is good here. Let's say there are 7,000,000 people travel by air. In that case 700 is just 0.01%
If for each other mode of transportation 100 people are traveling and 7 deaths, then also it is 7%, which is more.
Therefore, A is correct
ru2008 wrote:Air Travel is becoming increasingly more dangerous. In the last year there have been seven major collisions resulting in over 700 deaths, more deaths than in any previous year.
Which statement, if true, would most weaken the argument above?
A. Since the volume of air traffic has been increasing all the time, an increase in the number of deaths due to collisions does not necessarily mean greater danger.
B. The increase in collisions can be explained by statistical coincidence, hijackings, and unusual weather.
C. Mortality per passenger mile is lower for air travel than for any kind of surface transportation.
D. The increase in deaths due to collision in air travel has proceeded at a rate identical to that for deaths in all other major forms of transportation.
E. Last year the average number of passengers per flown plane was significantly lower than that of previous years.
The book reasons that 'E' means more collisions? Can someone please explain why?
ansumania wrote:hi,reply2spg wrote:A is good here. Let's say there are 7,000,000 people travel by air. In that case 700 is just 0.01%
If for each other mode of transportation 100 people are traveling and 7 deaths, then also it is 7%, which is more.
Therefore, A is correct
ru2008 wrote:Air Travel is becoming increasingly more dangerous. In the last year there have been seven major collisions resulting in over 700 deaths, more deaths than in any previous year.
Which statement, if true, would most weaken the argument above?
A. Since the volume of air traffic has been increasing all the time, an increase in the number of deaths due to collisions does not necessarily mean greater danger.
B. The increase in collisions can be explained by statistical coincidence, hijackings, and unusual weather.
C. Mortality per passenger mile is lower for air travel than for any kind of surface transportation.
D. The increase in deaths due to collision in air travel has proceeded at a rate identical to that for deaths in all other major forms of transportation.
E. Last year the average number of passengers per flown plane was significantly lower than that of previous years.
The book reasons that 'E' means more collisions? Can someone please explain why?
it makes sense that the percentage could be lower. Still, if the absolute no. is increasing, the threat is increasing......
Argument is comparing change in dangerousness of air travel over the years (esp with last year). It say more death this year due to air collision than that in last year. With this background, D says - death due to air collision is identical with other mode of transportation. This could mean, this year both air and other mode of transportation are danagerous. It could still be true that air travel this year has more death (and so become less dangerous) than air tarvel last year. So there is no impact on the argument. So D is out.ru2008 wrote:Air Travel is becoming increasingly more dangerous. In the last year there have been seven major collisions resulting in over 700 deaths, more deaths than in any previous year.
Which statement, if true, would most weaken the argument above?
A. Since the volume of air traffic has been increasing all the time, an increase in the number of deaths due to collisions does not necessarily mean greater danger.
B. The increase in collisions can be explained by statistical coincidence, hijackings, and unusual weather.
C. Mortality per passenger mile is lower for air travel than for any kind of surface transportation.
D. The increase in deaths due to collision in air travel has proceeded at a rate identical to that for deaths in all other major forms of transportation.
E. Last year the average number of passengers per flown plane was significantly lower than that of previous years. The book reasons that 'E' means more collisions? Can someone please explain why?
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