Mathematics, 16.09.2019 18:20 alexandriabritt1683
Aresearcher wants to find out how college students feel about their social security system. which of the following unbiased methods could the researcher use?
select all that apply (one or more)
the researcher places a poll question on the main university website and allow students to vote whether or not they like the system.
the researcher sets up a booth outside of the large classroom building and ask students to fill out a survey as they pass.
the researcher randomly selects 10 classes and asks all the students in those classes to fill out an anonymous survey.
the researcher places a survey in the campus paper which students could cut out and mail to the researcher.
the researcher takes a random sample from the enrollment list of the college and surveys the selected students.
Answers: 1
Mathematics, 21.06.2019 21:50
Desmond wants to sell his car that he paid $8,000 for 2 years ago. the car depreciated, or decreased in value, at a constant rate each month over a 2-year period. if x represents the monthly depreciation amount, which expression shows how much desmond can sell his car for today? 8,000 + 24x 8,000 - 24x 8,000 + 2x 8,000 - 2xdesmond wants to sell his car that he paid $8,000 for 2 years ago. the car depreciated, or decreased in value, at a constant rate each month over a 2-year period. if x represents the monthly depreciation amount, which expression shows how much desmond can sell his car for today? 8,000 + 24x 8,000 - 24x 8,000 + 2x 8,000 - 2x
Answers: 1
Mathematics, 21.06.2019 22:00
The serenity and the mystic are sail boats. the serenity and the mystic start at the same point and travel away from each other in opposite directions. the serenity travels at 16 mph and the mystic travels at 19 mph. how far apart will they be in 3 hours?
Answers: 1
Mathematics, 21.06.2019 23:00
In trapezoid abcd, ac is a diagonal and β abcβ
β acd. find ac if the lengths of the bases bc and ad are 12m and 27m respectively.
Answers: 3
Aresearcher wants to find out how college students feel about their social security system. which of...
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