Lindsay is checking out books at the library, and she is primarily interested in mysteries and nonfiction. She has narrowed her selections down to ten mysteries and eight nonfiction books. If she randomly chooses four books from her selections, what’s the probability that they will all be mysteries? Enter a fraction or round your answer to 4 decimal places, if necessary.
Lindsay is checking out books at the library, and she is primarily interested in mysteries and nonfiction. She has narrowed her selections down to ten mysteries and eight nonfiction books. If she randomly chooses four books from her selections, what’s the probability that they will all be mysteries? Enter a fraction or round your answer to 4 decimal places, if necessary.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question
Lindsay is checking out books at the library, and she is primarily interested in mysteries and nonfiction. She has narrowed her selections down to ten mysteries and eight nonfiction books. If she randomly chooses four books from her selections, what’s the probability that they will all be mysteries? Enter a fraction or round your answer to 4 decimal places, if necessary.
Expert Solution
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Step 1
Answer:- Lindsay select 10 mysteries and 8 nonfiction books
Therefore, total number of books (r) = 10+8 = 18
Using formula,
Number of combination= nCr ; n = total number of objects in the set and r = number of choosing objects from the set.
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