makaylahunt

25.02.2021 • 

Mathematics

City Councilwoman Kelly wants to know whether the residents of her district support a proposed school redistricting plan. Which of the following survey methods will allow Councilwoman Kelly to make a valid conclusion about whether residents of her district support the proposed plan?
a. Ask 200 residents of her district whose names are chosen at random.
b. Ask 200 parents at the local playground.

Ответ:

jahnoibenjamin

20.10.2021

Mathematics

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28 minutes. it if you set it up in a ratio. 63 minutes/4 people= 9 walls x minutes/7 people = 4 walls. simple multiplication problem. 7 x 4 which equals 2828 minutes is the answer

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