A manufacturer of fitness equipment inspects a random sample of the welds that are performed on various pieces of equipment in an effort to monitor the quality and strength of the equipment. During one week, a random sample of 200 welds showed that 15 of the welds were defective. Which of the following represents a 98% confidence interval for the population proportion of defective welds? (Round your answer to 3 decimal places.)

A.(.037, .112) B.(.056, .094) C.(.072, .078) D.(.064, .086) E.(.032, .118)