Question

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. Month Oct Nov Dec Jan Feb Mar Sold 1,621 1,752 1,848 1,634 1,725 1,780 Returned 223 415 421 560 330 304 Using 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? a. 1,578 b. 1,740 c. 1,743 d. 2,219

Answer 1

Using the table as experimental data, if your store has 379 laptops returned in April, then the number of laptops are likely to have been sold in April is c. 1,743

Answer 2

Based on the table, if this store has 379 laptops returned in April, the number of laptops that were likely sold in April is C. 1,743 laptops.

What is an expected value?

An expected value refers to a numerical value which is obtained as the product of each value in a data set and the sum of their probability.

Based on the experimental data given in the table, if this store has 379 laptops returned in April, the number of laptops that were likely sold in April is equal to 1,743 laptops.

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