AlcoholismA small town has 8000 adult males and 6000 adult females. 1 answer below »

Alcoholism

A small town has 8000 adult males and 6000 adult females. A sociologist conducted a survey and found that 40% of the males and 30% of the females drink heavily. An adult is selected at random from the town.

(a) What is the probability the person is a male?

(b) What is the probability the person drinks heavily?

(c) What is the probability the person is a male or drinks heavily?

(d) What is the probability the person is a male, if it is known that the person drinks heavily?

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