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Math·Problem-Solving and Data Analysis·Inference from sample statistics and margin of error
mediumA company studied a random sample of 20 lawns in a small town. The company found that 4 of these lawns contain fertilizer. If there are 260 lawns in the town, which of the following is the best estimate of the number of lawns that contain fertilizer?
A
3
B
5
C
13
D
52