SOLUTION: 120 doctors surveyed, 60 are working in the academy, 50 are working in the industry, and 20 are working both in the academy and in the industry. if a doctor is chosen at random, fi

Question 1167072: 120 doctors surveyed, 60 are working in the academy, 50 are working in the industry, and 20 are working both in the academy and in the industry. if a doctor is chosen at random, find the probability that the doctor is working in either in an academy or in the industry
Answer by ikleyn(52787) (Show Source): You can put this solution on YOUR website!
.

The question in the problem is posed incorrectly.

The correct question should ask

    find the probability that the doctor is working either in an academy ONLY or in the industry ONLY.

If you agree, then re-formulate and post the re-edited problem to the forum again.

Please do not post it to me personally.

Post to the forum, by a regular way.

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