PrepTest 89, Section 2, Question 22
Merle: Usually when I insert a dollar bill into the change machine at the office it makes a squeaking sound before it produces change. But the machine can make the sound only when the electric outlet it is plugged into is turned on. Therefore, it must be that the electric outlet usually is turned on.
Merle: Usually when I insert a dollar bill into the change machine at the office it makes a squeaking sound before it produces change. But the machine can make the sound only when the electric outlet it is plugged into is turned on. Therefore, it must be that the electric outlet usually is turned on.
Merle: Usually when I insert a dollar bill into the change machine at the office it makes a squeaking sound before it produces change. But the machine can make the sound only when the electric outlet it is plugged into is turned on. Therefore, it must be that the electric outlet usually is turned on.
Merle: Usually when I insert a dollar bill into the change machine at the office it makes a squeaking sound before it produces change. But the machine can make the sound only when the electric outlet it is plugged into is turned on. Therefore, it must be that the electric outlet usually is turned on.
Which one of the following arguments exhibits flawed reasoning most similar to the flawed reasoning exhibited by Merle's argument?
Everyone who has read the new horror novel found the plot disturbing. Indeed, the plot would disturb anyone with a vivid imagination. Therefore, everyone who has read the novel must have a vivid imagination.
Some people who have read the new horror novel found the plot disturbing. But the plot would not be disturbing to people who lack vivid imaginations. Therefore, some people must have vivid imaginations.
Many people who have read the new horror novel found the plot disturbing. Undoubtedly, everyone who found the plot disturbing has a vivid imagination. Therefore, many of the people who have read the novel must have vivid imaginations.
Most people who have read the new horror novel found the plot disturbing. But the plot cannot disturb anyone who lacks a vivid imagination. Therefore, most people must have vivid imaginations.
Most people who have read the new horror novel found the plot disturbing. But the plot cannot disturb people who lack vivid imaginations. Therefore, most people with vivid imaginations must find the plot disturbing.
Explanations
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