You are the manager of a retail store, and you have been tasked with finding the return rate on a certain brand of laptop computers. You have assembled the data on the number of computers sold and the number returned over the past six months in the table below.MonthOctNovDecJanFebMarSold1,6211,7521,8481,6341,7251,780Returned223415421560330304Using the table as experimental data, if your store has 379 laptops returned in April, how many laptops are likely to have been sold in April?
Across the six months, the store sold 10,360 laptops and had 2,253 returned, so the return rate was 2,253 ÷ 10,360 ≈ 0.2175, or about 21.75%. If 379 laptops are returned in April, estimated sales are 379 ÷ 0.2175 ≈ 1,743. Therefore, the likely number sold is 1,743 laptops.
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