LSAT 131 – Section 2 – Question 03

LSAT 131 - Section 2 - Question 03

December 2009

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Question
QuickView		 Type Tags Answer
Choices		 Curve Question
Difficulty		 Psg/Game/S
Difficulty		 Explanation
PT131 S2 Q03
+LR
Strengthen +Streng
A
84%
165
B
2%
159
C
2%
160
D
9%
161
E
3%
157
120
136
153
 +Easier 147.936 +SubsectionMedium

J.Y.’s explanation

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Despite the enormous number of transactions processed daily by banks nowadays, if a customer’s bank account is accidentally credited with a large sum of money, it is extremely unlikely that the error will not be detected by the bank’s internal audit procedures.

Summarize Argument
The author assumes that if a customer’s bank account is accidentally credit with a large sum of money, the bank will almost certainly detect the error. No evidence is provided for this claim.

Notable Assumptions
The author assumes that a bank’s internal auditing system will almost always detect a large accidental credit, despite the vast number of transactions happening daily. The author likely assumes large credits are dealt with differently than small credits.

A
Banks initially process all transactions using one set of computer programs, but then use a different set of programs to double-check large transactions.
Since banks double-check large transactions, they’re likely to catch an accidental large credit. This shows the quirk in the banking system that makes it so likely such accidental credits are caught.
B
Recent changes in banking standards require that customers present identification both when making deposits into their accounts and when making withdrawals from their accounts.
As far as we know, customers aren’t involved in these accidental credits.
C
Banks are required by law to send each customer a monthly statement detailing every transaction of the previous month.
This doesn’t explain why those large accidental credits would be caught by the bank. If anything, this shifts responsibility to the customer to catch such mistakes.
D
The average ratio of bank auditors to customer accounts has slowly increased over the past 100 years.
Even if that ratio has increased, we have no idea what effect these bank auditors have. It could be that nearly no large accidental credits were caught 100 years ago, and now 10% are. That’s far less than the author argues are caught.
E
The development of sophisticated security software has rendered bank computers nearly impervious to tampering by computer hackers.
We don’t care about hackers. We care about accidental credits, which have nothing to do with hackers.

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LSAT PrepTest 131 Explanations

Section 1 - Logical Reasoning

Section 2 - Logical Reasoning

Section 3 - Logical Reasoning

Section 4 - Reading Comprehension

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