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ayyaztahir
 one year ago
There are six chairs in a row. Person A picks one of the chairs at random. Then Person B picks a chair at random from the five chairs that remain. Find the chance that they pick chairs that are next to each other.
ayyaztahir
 one year ago
There are six chairs in a row. Person A picks one of the chairs at random. Then Person B picks a chair at random from the five chairs that remain. Find the chance that they pick chairs that are next to each other.

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perl
 one year ago
Best ResponseYou've already chosen the best response.3there are 5 ways to be seated next to each other , then times 2 because you can have AB or BA. there are a total of 6x5 ways to choose two chairs . so the probability is ( 5x2) / (6x5) = 10/30 = 1/3

pitankar
 one year ago
Best ResponseYou've already chosen the best response.0ya that's correct. I too had a problem with this one. I computed the 10 right and mistook the sample space to be 25 and not 30. This one is right.
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