aaron9352 aaron9352

14-07-2017
Mathematics

contestada

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?

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konrad509 konrad509

14-07-2017

[tex]\dfrac{3}{25}=\dfrac{x}{410}\\ 25x=1230\\ x\approx49[/tex]

Approx. 49 books.

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