What is the margin of error

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Automobile mechanics conduct diagnostic tests on 150 new cars of particular make and model to determine the extent to which they are affected by a recent recall due to faulty catalytic converters. They find that 42 of the new cars tested do have faulty catalytic converters. What is the margin of error for a? 95% confidence interval based on these sample? results? (Round to four decimal places.)

Reference no: EM132408971

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