There are two main manufacturers of light plains in this regional market: SpeedStar and Lightning. Unlike the crash rate of lightning built airplanes, the crash rate of speed star airplanes has decreased in the last five years. Thus, although the number of passengers who refuse to take lightning built airplanes has not yet increased, it will inevitably increase.
Which of the following, if true, most seriously weakens the argument above..?
1. the rate of crashes of speedstar airplanes that involve
...
Which of the following, if true, most seriously weakens the argument above..?
1. the rate of crashes of speedstar airplanes that involve
...
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