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1000CR: C-14

Expert replies
by sankruth » Wed Dec 05, 2007 4:22 am
Please provide an explanation for your choice...

Dr. A: The new influenza vaccine is useless at best and possibly dangerous. I would never use it on a patient.
Dr. B: But three studies published in the Journal of Medical Associates have rated that vaccine as unusually effective.
Dr. A: The studies must have been faulty because the vaccine is worthless.

In which of the following is the reasoning most similar to that of Dr. A?
(A) Three of my patients have been harmed by that vaccine during the past three weeks, so the vaccine is unsafe.

(B) Jerrold Jersey recommends this milk, and I don’t trust Jerrold Jersey, so I won’t buy this milk.

(C) Wingzz tennis balls perform best because they are far more effective than any other tennis balls.

(D) I’m buying Vim Vitamins. Doctors recommend them more often than they recommend any other vitamins, so Vim Vitamins must be good.

(E) Since University of Muldoon graduates score about 20 percent higher than average on the GMAT, Sheila Lee, a University of Muldoon graduate, will score about 20 percent higher than average when she takes the GMAT.
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Source: — Critical Reasoning |

by sankruth » Sat Dec 08, 2007 12:19 am
Ah!... I too chose B but according to "Answer Key" it is wrong the correct answer is C.

I feel the answer key is wrong unless someone can give a plausible reason for C.
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by sirikesav » Tue Dec 11, 2007 8:24 am
Dr. A: The new influenza vaccine is useless at best and possibly dangerous. I would never use it on a patient.

lets us take the process fo elimination.

(A) Three of my patients have been harmed by that vaccine during the past three weeks, so the vaccine is unsafe. --this is statistical resoning which is similar to Dr B reasoning but not A

(B) Jerrold Jersey recommends this milk, and I don’t trust Jerrold Jersey, so I won’t buy this milk. ----- this completely out of scope as the resoning is based on the recommendation which is not mentioned by DrA

(C) Wingzz tennis balls perform best because they are far more effective than any other tennis balls.

(D) I’m buying Vim Vitamins. Doctors recommend them more often than they recommend any other vitamins, so Vim Vitamins must be good.
--- same as B

(E) Since University of Muldoon graduates score about 20 percent higher than average on the GMAT, Sheila Lee, a University of Muldoon graduate, will score about 20 percent higher than average when she takes the GMAT.
---here this is proper reasoning that as all people from a particular university are scoring 20 percent higher and hence even Sheila Lee, will score


hence the remaining is C. just Like Dr A's reasoning it is mentioning the particular thing is BEst/Worst and hence it is not effective/dangerous

I hope my reasoning makes some sense.Please corect me if I am wrong
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by hemanth28 » Tue Dec 11, 2007 11:40 am
perfect!!! :wink:
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by khanshainur » Tue May 10, 2016 3:16 am
I would choose B
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