SOLUTION: A man and a woman and their three children are randomly seated in a row for a family picture. What is the probability that the parents will be separated?

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Question 852272: A man and a woman and their three children are randomly seated in a row for a family picture. What is the probability that the parents will be separated?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi

Thinking of parents together as being 1 Unit...4! is the number of ways for that seating

P(parents will be separated) = 1 - P(not separated) = 1 - 4!/5!