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There are \(300\) people in a conference hall. Each person is either an engineer or a professor or both or only a journalist. What is the probability that a person randomly picked from the hall is a journalist?
1) There are \(200\) people who are an engineer or a professor
2) There are \(200\) people who are exclusively an engineer or a professor
The OA is A
1) There are \(200\) people who are an engineer or a professor
2) There are \(200\) people who are exclusively an engineer or a professor
The OA is A
