A file cabinet has 8 student folders arranged alphabetically according to last name. Three files are selected
Question:
(a) How many different selections are possible?
(b) Find the probability that the selected folders are all adjacent.
(Enumerate the selections of adjacent folders)
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Step by Step Answer:
a The number of possible selections of 3 files from 8 is 83 56 each of ...View the full answer
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Related Book For 
Statistics Principles And Methods
ISBN: 9780470904114
7th Edition
Authors: Richard A. Johnson, Gouri K. Bhattacharyya
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