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in a group of 120 people,90 of them are 30 years old or older. Everyone else in the group is younger than 20 years old. If a person is selected at random, what is the probability the person is less than
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in a group of 120 people,90 of them are 30 years old or older. Everyone else in the group is younger than 20 years old. If a person is selected at random, what is the probability the person is less than 20 years old

User Avez Raj
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36% chance of the person being less than 20 years okd
User Jerney
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