A factory wishes to estimate the probability of producing a defective item. Out of a daily production of 1,000 items it is found that 12 are defective. Estimate the true probablity of producign a...

Extracted text: A factory wishes to estimate the probability of producing a defective item. Out of a daily production of 1,000 items it is found that 12 are defective. Estimate the true probablity of producign a defective item with a 95% confidence upper bound. Use the plug-in normal approximation method for binomial proportion. Answer accuracy to the nearest whole number.