SOLUTION: The probability that a family has a dog is 1/5 . Out of a group of 15 families ... how many of them will likely have a dog.?

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Question 704540: The probability that a family has a dog is 1/5 . Out of a group of 15 families ... how many of them will likely have a dog.?
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
You would expect (1/5)*15 = 3 families (on average) to have a dog.