The life in hours of a 75-watt light bulb is known to be normally distributed with o = mean life of I = 1014 hours. 25 hours. A random sample of 14 bulbs has a (a) Construct a 95% two-sided confidence...

Extracted text: The life in hours of a 75-watt light bulb is known to be normally distributed with o = mean life of I = 1014 hours. 25 hours. A random sample of 14 bulbs has a (a) Construct a 95% two-sided confidence interval on the mean life. Round your answers to the nearest integer (e.g. 9876). i <μ>< i="" etextbook="" and="" media="" (b)="" construct="" a="" 95%="" lower-confidence="" bound="" on="" the="" mean="" life.="" compare="" the="" lower="" bound="" of="" this="" confidence="" interval="" with="" the="" one="" in="" part="" (a).="" round="" your="" answer="" to="" the="" nearest="" integer="" (e.g.="" 9876).="">