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प्रश्न
Choose the correct alternative:
Forty percent of the passengers who fly on a certain route do not check in any luggage. The planes on this route seat 15 passengers. For a full flight, what is the mean of the number of passengers who do not check in any luggage?
विकल्प
6.00
6.45
7.20
7.50
उत्तर
6.00
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