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A certain experiment has three possible outcomes. The outcomes are mutually exclusive and have probabilities \(x, y,\) and \(z,\) respectively. What is the value of \(x?\)
1. The ratio \(x{:}y{:}z=4{:}2{:}1\)
2. \(x^2+xy+xz-x-y-z=-3/7\)
The OA is D
1. The ratio \(x{:}y{:}z=4{:}2{:}1\)
2. \(x^2+xy+xz-x-y-z=-3/7\)
The OA is D
