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Mathematics, 05.05.2020 18:37 zalayjahan4793
He mean weight of luggage checked by a random selected tourist-class passenger yingbetween two cities on a certain airline is 40 lb, and the standard deviation is 10 lb. The meanand standard deviation for a business-class passenger and 30 lb and 6 lb, respectively. Supposethere are 12 business-class passengers and 50 tourist-class passengers on a particular ight. Find the mean and standard deviation of total luggage weight.
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