A sample of 400 shoppers revealed that 275 were interested in pre-ordering the PS5, 180 were interested

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A sample of 400 shoppers revealed that 275 were interested in pre-ordering the PS5, 180 were interested in pre-ordering the Xbox Series X, and 90 were interesting in pre-ordering both. What is theprobability that some one was interested in pre-ordering either thePS5 OR Xbox