<em>The sample population of interest is </em><em>50 online subscribers.</em>
<em>Sample population of interest</em> is said to be the <u>total number of people </u>one is considering for a particular study. In this question, online subscribers. This means the total people being considered for making the particular study.
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Answer:
Step-by-step explanation:
Width = x
Length = 2x
Area of the ground = 0.125 square mile
length * width = 0.125
2x * x = 0.125
2x² = 0.125
x² = 
= 0.0625

Width = 0.25 miles
Length = 2* 0.25 = 0.50 miles