0.6 of students walk to school. Of those 3/4 live within 1 mile of the school there are 640 students at the school. How many students walk to school and live 1 mile or farther from school?

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1 answer

If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events.

.6 * (1-3/4) * 640 = ?