Question

The probability that a student at a certain college is male is 0.498 . The probability that a student at that college has a job off campus is 0.712. The probability that a student at the college is male and has a job off campus is 0.315.

Find the following probabilities. Write your answer in decimal notation rounded to the nearest thousandth.

If a student is chosen at random from the college,

(a) the probability that the student is either male or has an off campus job is Answer?


(b) the probability that the student is neither male nor has an off campus job is Answer?

Answer 1

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

Negative = (1-the probability)

Answer 2

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