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An apartment building has apartments numbered 2 through 85
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03 Oct 2018, 23:23
03 Oct 2018, 23:23
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Question Stats:
10% (01:18) correct
89% (01:42) wrong based on 239 sessions
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An apartment building has apartments numbered 2 through 85, consecutively.
A. Quantity A is greater.
B. Quantity B is greater.
C. The two quantities are equal.
D. The relationship cannot be determined from the information given.
Quantity A |
Quantity B |
The probability that the apartment number of a randomly selected tenant contains a 4 |
\(\frac{3}{14}\) |
A. Quantity A is greater.
B. Quantity B is greater.
C. The two quantities are equal.
D. The relationship cannot be determined from the information given.
Re: An apartment building has apartments numbered 2 through 85
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18 Jan 2022, 05:34
18 Jan 2022, 05:34
6
At this point I am wondering if this was a question by ETS, what skill would they be testing through this question?
General Discussion
Re: An apartment building has apartments numbered 2 through 85
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04 Oct 2018, 01:33
04 Oct 2018, 01:33
2
It's enticing to straightaway start counting the number of apartments with 4 in their number. However, the question asks for randomly selecting 'a tenant' not 'an apartment'. Since we don't know the number of tenants in each apartment, we can't tell which quantity is greater.
Hence D.
Hence D.
