A rectangular table seats 7 people on each of two sides, with every person directly facing another ...
A rectangular table seats 7 people on each of two sides, with every person directly facing another person across the table. If fourteen people choose their seats at random, what is probability that any two of them directly face other?
Answer/Solution
1/13
Steps/Work
A B C D E F G
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| TABLE |
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H I J K L M N
A to N are 14 people.
Prob to select any 1 person = 1
Prob to select the person opposite to the chosen person = 1/13
For ex. If we select A as the person than prob of choosing N is 1/13.
Hence, answer will be A.
------------
| TABLE |
------------
H I J K L M N
A to N are 14 people.
Prob to select any 1 person = 1
Prob to select the person opposite to the chosen person = 1/13
For ex. If we select A as the person than prob of choosing N is 1/13.
Hence, answer will be A.