STORY: Let us suppose that the average weight of all the 5-axle semi-trucks that drive on...

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STORY: Let us suppose that the average weight of all the 5-axle semi-trucks that drive on Florida highways is 75000 lbs, the standard deviation is 3000 lbs, and 47% of them have red tractor units. Let us also suppose that 91 5-axle semi-trucks that passed on I-10 (the Interstate 10 highway) between Tallahassee, FL and Jacksonville, FL had an average weight of 64000 lbs, a standard deviation of 2500 lbs, and 58% of them had red tractor units. Symbol Number from the story 75000 91 n / [Select] p/p 58 2500 S 3000 Belongs to the population rectangle sample circle population rectangle sample circle sample circle population rectangle xbar 64000 sample circle > STORY: Let us suppose that the average weight of all the 5-axle semi-trucks that drive on Florida highways is 75000 lbs, the standard deviation is 3000 lbs, and 47% of them have red tractor units. Let us also suppose that 91 5-axle semi-trucks that passed on I-10 (the Interstate 10 highway) between Tallahassee, FL and Jacksonville, FL had an average weight of 64000 lbs, a standard deviation of 2500 lbs, and 58% of them had red tractor units. Symbol Number from the story 75000 91 n / [Select] p/p 58 2500 S 3000 Belongs to the population rectangle sample circle population rectangle sample circle sample circle population rectangle xbar 64000 sample circle >