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A study is conducting in NSW on speeding violations and drivers who use cell phones in the following contingency table: Speeding No speeding Total violation

A study is conducting in NSW on speeding violations and drivers who use cell phones in the following contingency table: Speeding No speeding Total violation violation Cell phone user 350 378 Not a Cell phone 115 307 422 user Total 143 657 800 Calculate the probability that the person is a cell phone user OR person had no speeding violation. Type your answer rounding to 4 dp

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