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Mathematics, 30.03.2020 23:41 leopolesamoy

Automobile mechanics conduct diagnostic tests on 150 randomly selected 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 99% confidence interval based on these sample results?

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