SOLUTION: In a group of 120 people 90 have an age of more than 30 years and the others have an age of less than 20 years. If a person is selected at random from this group what is the proba

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Question 1064721: In a group of 120 people 90 have an age of more than 30 years and the others have an age of less than 20 years. If a person is selected at random from this group what is the probability the persons age is less than 20? Show your work
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
30 of the 120 have an age less than 20 years
Randomly choosing one, and the probability is 1 in 4 or .25 or 25%