SOLUTION: Without providing the large dataset, (n=855) what's the best method to solve? What is the probability that a person selected at random from the data will be under 25 years of ag

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Question 461818: Without providing the large dataset, (n=855) what's the best method to solve?
What is the probability that a person selected at random from the data will be under 25 years of age or over 50 years of age?

Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
What's the sample mean and sample variance (or standard deviation)?