(Answered) A recent survey shows that the probability of a college

Statistics

A recent survey shows that the probability of a college student drinking alcohol is 0.6.

Further, given that the student is over 21 years old, the probability of drinking alcohol is 0.8.

It is also known that 30% of the college students are over 21 years old.

Of the students who are not over 21, what is the probability they drink alcohol?

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