A librarian is curious about the habits of the library's patrons. He records the type of item that the first 10 patrons check out from the library. Based on the information from these patrons, estimate the probability that the next patron will check out a fiction book.
patron item type
1 fiction book
2 non-fiction book
3 fiction book
4 fiction book
5 audiobook
6 non-fiction book
7 DVD
8 non-fiction book
9 fiction book
10 DVD
plz answer fast
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Given : A librarian is curious about the habits of the library's patrons. He records the type of item that the first 10 patrons check out from the library.
To Find : Estimate the probability that the next patron will check out a fiction book.
Solution:
Out of 10 persons
Fiction books = 4
Non-Fiction books = 3
DVD = 2
Audio Book = 1
Total Books = 10
probability that the next patron will check out a fiction book = Number of fiction books / total books
4/10
= 0.4
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