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3 years ago

12

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 per

son is selected at random, what is the probability the person is less than 20 years old

1 answer:

Ksju [112]3 years ago

3 0

36% chance of the person being less than 20 years okd

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