A librarian randomly selects 25 returned books one day and finds that three of them were returned late. based on this sample, how many of the 410 returned books that day are likely to be late returns?

asked Mar 1, 2018 35.7k views

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1 vote

$(3)/(25)=(x)/(410)\\ 25x=1230\\ x\approx49$

Approx. 49 books.

Shonda answered Mar 8, 2018

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