A Sample of 100 Fuses from a Very Large Shipment

Multiple Choice

A sample of 100 fuses from a very large shipment is found to have 10 that are defective. Based on this information, which of the following will you construct to learn about the proportion of fuses that are defective?

A) confidence interval estimate for the proportion using the standard normal distribution
B) confidence interval estimate for the total using the Student's t distribution
C) confidence interval estimate for the difference using the standard normal distribution
D) confidence interval estimate for the mean using the Student's t distribution