PrepTest 59, Section 3, Question 12
To cut costs, a high school modified its air-conditioning system to increase its efficiency. The modified system, however, caused the humidity in the school air to decrease by 18 percent. Twenty-four hours after the decrease in air humidity, a 25 percent increase in the number of visits to the school nurse was reported. This shows that a decrease in humidity can make people ill.
To cut costs, a high school modified its air-conditioning system to increase its efficiency. The modified system, however, caused the humidity in the school air to decrease by 18 percent. Twenty-four hours after the decrease in air humidity, a 25 percent increase in the number of visits to the school nurse was reported. This shows that a decrease in humidity can make people ill.
To cut costs, a high school modified its air-conditioning system to increase its efficiency. The modified system, however, caused the humidity in the school air to decrease by 18 percent. Twenty-four hours after the decrease in air humidity, a 25 percent increase in the number of visits to the school nurse was reported. This shows that a decrease in humidity can make people ill.
To cut costs, a high school modified its air-conditioning system to increase its efficiency. The modified system, however, caused the humidity in the school air to decrease by 18 percent. Twenty-four hours after the decrease in air humidity, a 25 percent increase in the number of visits to the school nurse was reported. This shows that a decrease in humidity can make people ill.
The argument depends on assuming which one of the following?
At least some of the visits to the school nurse after the system was modified were due to illness.
Most of the students at the high school suffered from the decrease in air humidity.
It takes 24 hours after a person is infected with a virus for that person to exhibit symptoms.
A decrease of 18 percent in air humidity causes an increase of 25 percent in one's probability of becoming ill.
Modifying the air-conditioning system proved to be an ineffective way to cut costs.
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