ONLINE WEB TRICKS Hot Questions - Stack Exchange Questions 7 friends are going to the cinema. They will be sitting in a row with 7 seats. What is the probability that John and Mary don't sit together? – math.stackexchange.com

7 friends are going to the cinema. They will be sitting in a row with 7 seats. What is the probability that John and Mary don't sit together? – math.stackexchange.com

14:09 Posted by Unknown No Comments

To watch a movie, John, Mary and 5 friends will sit randomly in a row with 7 seats. What is the probability John and Mary won't sit together? I did: ...

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