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10 Jan 2026, 08:08
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Difficulty:
25%
(medium)
Question Stats:
92% (01:04) correct
8%
(01:13)
wrong
based on 26
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A recent safety study conducted at a large international airport found that 400 travelers who checked in using self-service kiosks reported lost luggage, whereas only 150 travelers who checked in at the traditional service counters reported lost luggage. Based on this data, the airport’s passenger advocacy group concluded that using the self-service kiosks significantly increases the risk of a traveler's luggage being lost.
Which of the following most clearly demonstrates why the conclusion is illogical?
(A) The study did not distinguish between luggage lost on domestic flights and luggage lost on international flights.
(B) The total number of travelers who used self-service kiosks was significantly higher than the number of travelers who used traditional service counters.
(C) Some travelers who used the self-service kiosks were assisted by airport staff during the check-in process.
(D) The average weight of luggage checked at traditional service counters was found to be higher than that of luggage checked at kiosks.
(E) Many travelers who reported lost luggage eventually had their bags returned to them within forty-eight hours.
Which of the following most clearly demonstrates why the conclusion is illogical?
(A) The study did not distinguish between luggage lost on domestic flights and luggage lost on international flights.
(B) The total number of travelers who used self-service kiosks was significantly higher than the number of travelers who used traditional service counters.
(C) Some travelers who used the self-service kiosks were assisted by airport staff during the check-in process.
(D) The average weight of luggage checked at traditional service counters was found to be higher than that of luggage checked at kiosks.
(E) Many travelers who reported lost luggage eventually had their bags returned to them within forty-eight hours.
10 Jan 2026, 09:31
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The airport advocacy group concludes that using self-service kiosks increases the risk of lost luggage because 400 kiosk users reported lost luggage compared to 150 counter users. This conclusion confuses raw numbers with risk.
Risk is a proportion: lost luggage incidents divided by total users of that method. The argument only provides the numerators (400 and 150) but ignores the denominators, how many travelers used each method. If far more travelers used kiosks, the actual risk (percentage) could be lower for kiosk users. Option B directly points out that the total number of kiosk users was significantly higher, exposing this logical flaw.
Answer: (B)
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