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Mathematics, 31.05.2021 16:20 dannnaa

3. In a batch of 380 calculators, 11 were found to be defective. What is the probability that a calculator chosen at random will be defective? Write the probability as a percent.
Round to the nearest tenth of a percent if necessary.
a) 72.8% b) 2.9% C) 3.8% d) 97.1%

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