PrepTest C, Section 3, Question 10
Many people joke about Friday the thirteenth being an unlucky day, but a study showed that in one year approximately 17 percent of people scheduled to fly canceled or did not show up for their flights on Friday the thirteenth—a rate higher than that on any other day and date in that year. This shows that a significant percentage of the population would rather disrupt their travel plans than risk flying on a supposedly unlucky day.
Many people joke about Friday the thirteenth being an unlucky day, but a study showed that in one year approximately 17 percent of people scheduled to fly canceled or did not show up for their flights on Friday the thirteenth—a rate higher than that on any other day and date in that year. This shows that a significant percentage of the population would rather disrupt their travel plans than risk flying on a supposedly unlucky day.
Many people joke about Friday the thirteenth being an unlucky day, but a study showed that in one year approximately 17 percent of people scheduled to fly canceled or did not show up for their flights on Friday the thirteenth—a rate higher than that on any other day and date in that year. This shows that a significant percentage of the population would rather disrupt their travel plans than risk flying on a supposedly unlucky day.
Many people joke about Friday the thirteenth being an unlucky day, but a study showed that in one year approximately 17 percent of people scheduled to fly canceled or did not show up for their flights on Friday the thirteenth—a rate higher than that on any other day and date in that year. This shows that a significant percentage of the population would rather disrupt their travel plans than risk flying on a supposedly unlucky day.
Which one of the following statements, if true, most seriously weakens the argument?
People who fly tend to be professionals who as a group are less superstitious than the general public.
Surveys show that less than 5 percent of the population report that they believe that Friday the thirteenth is an unlucky day.
Weather conditions at several major airports were severe on the Fridays that fell on the thirteenth in the year of the study.
In the year of the study, automobile traffic was no lighter on Friday the thirteenth than on other Fridays.
The absentee rate among airline workers was not significantly higher than normal on the Fridays that fell on the thirteenth in the year of the study.
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