A student has to sell 2 books from a collection of 6 math, 7 science, and 4

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A student has to sell 2 books from a collection of 6 math, 7 science, and 4 economics books. How many choices are possible if
(a) Both books are to be on the same subject?
(b) The books are to be on different subjects?

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A First Course In Probability

ISBN: 9789332519077

9th Edition

Authors: Sheldon Ross

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Question Posted: Oct 22, 2015 02:43 AM

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A student has to sell 2 books from a collection of 6 math, 7 science, and 4

Question:

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a 42 possibilities b There are 6 7 choices of a ...View the full answer

A First Course In Probability

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