An electrical rm manufactures light bulbs that have a length of life that is approximately normally distributed With a standard deviation 0125 hours It a sample of 50 bulbs has an average life of 780 hours' nd a 96% condence Interval [or the population mean of all bulbs produced by this rm Click hereto view page 1 of the standard normal distrihulion table, Click here to view {age 2 of the standard normal distribution table, Click here to view {age 1 of the table of critical values ofthe t-dislribulion, Click here to View [gge 2 of the table of critical values eithe tedistribu n, The condence interval is