A sample of 100 fuses from a very large shipment is found to have 10 that are defective.The 95% confidence interval would indicate that,for this shipment,the proportion of defective fuses is between 0 and 0.28.

Question

Quizplus · Accepted Answer

The 95% confidence interval for the proportion of defective fuses, calculated using the sample proportion (10/100 = 0.1) and the standard error for a proportion, would not result in a range from 0 to 0.28. It would be narrower and centered around the sample proportion of 0.1, not starting from 0.

A Sample of 100 Fuses from a Very Large Shipment