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11 Sep 2021, 09:32
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D
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
75%
(hard)
Question Stats:
52% (02:14) correct
48%
(02:18)
wrong
based on 153
sessions
History
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Not Attempted Yet
The Florida Department of Highways is concerned about high traffic volume on Greentree Road, an exit on the 75-mile marker on the Florida State Turnpike. The department’s engineers have proposed the construction of a new exit on Palms Road at the 68-mile marker. The plan will cost $3.3 million but will, according to the official prospectus, alleviate the Greentree Road congestion and save taxpayers time and money.
Which of the following, if true, casts the most doubt on the effectiveness of the plan as a solution to the traffic problem?
A. The construction of a new exit will allow the Department of Highways to raise the tolls on the turnpike and create additional revenue.
B. The land survey on Palms Road revealed underground springs that can be channeled into neighboring communities to provide much-needed well water.
C. Several of the engineers assigned to this project have invested in the construction of a new shopping center to be built on Palms Road.
D. The shopping mall on Greentree Road has released statistics that show an upswing in the number of shoppers this year as compared to the number for the past ten years.
E. A survey of drivers has indicated that many are in favor of construction of the new exit.
Which of the following, if true, casts the most doubt on the effectiveness of the plan as a solution to the traffic problem?
A. The construction of a new exit will allow the Department of Highways to raise the tolls on the turnpike and create additional revenue.
B. The land survey on Palms Road revealed underground springs that can be channeled into neighboring communities to provide much-needed well water.
C. Several of the engineers assigned to this project have invested in the construction of a new shopping center to be built on Palms Road.
D. The shopping mall on Greentree Road has released statistics that show an upswing in the number of shoppers this year as compared to the number for the past ten years.
E. A survey of drivers has indicated that many are in favor of construction of the new exit.
11 Sep 2021, 10:43
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I think the answer is B because the others are irrelevant and give no counterargument in disfavor of the success of the project
11 Sep 2021, 11:37
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The answer is surely D but it's not a good answer to this question. Answer D suggests people are using the Greentree exit to get to the shopping mall that is located there. If that's true, then building another exit somewhere else might not help, because people will still need to use the Greentree exit to get to the shopping mall.
But it really isn't a good answer to the question. For one thing, we have no idea what fraction of the traffic using the Greentree exit is going to the shopping mall. Maybe it used to be that 2% of traffic went to the mall, and now it's 10%. There'd still be 90% of cars that need to use some exit, and a new exit could divert a full 45% of traffic to a different road. And even more importantly, we have no reason from the stem to think the particular "upswing" described in answer D is even relevant. The stem doesn't say the traffic planners have become concerned in the last year about an increase in traffic. It only says they're "concerned about high traffic volume". If we knew the traffic volume was a new problem, then D would be a better answer here, but we have no way to know that, so no real way to evaluate the significance of what D tells us.
But it really isn't a good answer to the question. For one thing, we have no idea what fraction of the traffic using the Greentree exit is going to the shopping mall. Maybe it used to be that 2% of traffic went to the mall, and now it's 10%. There'd still be 90% of cars that need to use some exit, and a new exit could divert a full 45% of traffic to a different road. And even more importantly, we have no reason from the stem to think the particular "upswing" described in answer D is even relevant. The stem doesn't say the traffic planners have become concerned in the last year about an increase in traffic. It only says they're "concerned about high traffic volume". If we knew the traffic volume was a new problem, then D would be a better answer here, but we have no way to know that, so no real way to evaluate the significance of what D tells us.
