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A box contain 9 novels, 7 biographies, and 5 reference books. Alyssa randomly chooses a book, then she randomly chooses another book without replacing the first book. What is th…

A box contain 9 novels, 7 biographies, and 5 reference books. Alyssa randomly chooses a book, then she randomly chooses another book without replacing the first book. What is th…
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A box contain 9 novels, 7 biographies, and 5 reference books. Alyssa randomly chooses a book, then she randomly chooses another book without replacing the first book.

What is the probablity that she chooses two biographies? Write answer as decimal

asked
User Alireza Barakati
by
8.0k points

1 Answer

3 votes

first\ book:\\9\ novels+7\ biographies+5\ reference=21\ all\ books\\probability:\\P_1(
answered
User Amityo
by
8.7k points
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