SOLUTION: In a study of 5000 men who are 60 years old, 3250 were found to be grandfathers. Based on this data, what is the probability of a 60-year-old man being a grandfather?

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Question 110346: In a study of 5000 men who are 60 years old, 3250 were found to be grandfathers. Based on this data, what is the probability of a 60-year-old man being a grandfather?
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
3250/5000=325/500=65/100=13/20
The chances are 13 in 20 or .65 or 65% that he is a grandfather.
Ed