Mathematics, 01.08.2019 06:00 huynexushuy8786
Which sample is representative of the population being studied? a. to learn the in-flight seat preferences of passengers, an airline polls all its business travelers. b. to learn how many americans like action movies, a group of students survey people at a downtown movie theater. c. to learn which of two writers, charles dickens or leo tolstoy, is more popular among students of literature, dean surveyed students in one college library. d. to learn how many students at her school spend more than $10 on books in a month, mia speaks to every sixth student she meets in the school hallway.
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Mathematics, 21.06.2019 19:00
Acompany manufactures large valves, packed in boxes. a shipment consists of 1500 valves packed in 75 boxes. each box has the outer dimensions 1.2 x 0.8 x 1.6 m and the inner dimensions 1.19 x 0.79 x 1.59 m. the boxes are loaded on a vehicle (truck + trailer). the available capacity in the vehicle combination is 140 m3. each valve has a volume of 0.06 m3. - calculate the load factor on the box level (%). - calculate the load factor on the vehicle level (%). - calculate the overall load factor (%).
Answers: 1
Mathematics, 21.06.2019 22:00
The customer price index(cpi), which measures the cost of a typical package of customer goods,was 208.8 in 2011 and 244.1 in 2016.let x=11 corresponding to the year 2011 an estimate to cpi into 2013 and 2014. assume that the data can be modeled by a straight line and the trend to continue idenfinitely.use data points to find such a line and then estimate the requested quantities
Answers: 1
Which sample is representative of the population being studied? a. to learn the in-flight seat pref...
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