Mathematics, 01.08.2019 06:30 angelicahouston8727
Independent random samples of vehicles traveling past a given point on an interstate highway have been observed on monday versus wednesday. for 16 cars observed on monday, the average speed was 59.4 mph, with a standard deviation of 3.7 mph. for 20 cars observed on wednesday, the average speed was 56.3 mph, with a standard deviation of 4.4 mph. at the 0.05 level, and assuming normal populations, can we conclude that the average speed for all vehicles was higher on monday than on wednesday?
Answers: 1
Mathematics, 22.06.2019 01:30
Tim knows the volume and base area of a wooden chest that is in the shape of a rectangular prism. if the volume is 524 cubic unit and the base area is 15 square unit, what is the height of the chest? 124 unit 1124 units 112 unit 1112 units
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Mathematics, 22.06.2019 01:30
Write 37/22 as a decimal rounded to the nearest hundredth.
Answers: 2
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