Seven ​students: Ann, Bob, Carol, Dan, Eve, Frank, and George​, are randomly lined up for a picture. What is the probability that Dan and Eve are standing next to each other​ (in either​ order)?   nothing    Round your answer to 4 decimal​ places, if necessary.

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Seven
​students:
Ann, Bob, Carol, Dan, Eve, Frank, and George​,
are randomly lined up for a picture. What is the probability that
Dan and Eve
are standing next to each other​ (in either​ order)?
 
nothing   
Round your answer to 4 decimal​ places, if
necessary.
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