Mathematics, 22.10.2019 19:00 myloredo10
Suppose that 1010% of a certain batch of calculators have a defective case, and that 1414% have defective batteries. also, 55% have both a defective case and defective batteries. a calculator is selected from the batch at random. find the probability that the calculator has a good case and good batteries.
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Suppose that 1010% of a certain batch of calculators have a defective case, and that 1414% have defe...
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