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30% of the library books in the fiction section are worn and needs replacement.10% of the nonfiction holding are worn.the library’s holdings are 60% fiction and 40% nonfiction.find the probability that a book chosen at random from this library’s is worn and needs replacement

 Apr 5, 2020
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30% of 60% is 18%

10% of 40% is 4%

18%+4%=22%

22/100

11/50

 

smileysmileysmiley

 Apr 6, 2020

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