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For a certain type of light, the number of hours a bulb wil bum before requiring replacement has a man of 4000 hours and
Posted: Thu May 12, 2022 2:08 pm
by answerhappygod
- For A Certain Type Of Light The Number Of Hours A Bulb Wil Bum Before Requiring Replacement Has A Man Of 4000 Hours And 1 (10.33 KiB) Viewed 25 times
For a certain type of light, the number of hours a bulb wil bum before requiring replacement has a man of 4000 hours and a standard deviation of 250 hoon. Suppose that 6000 such tuts are installed in an office buiding Estimate the number that will require replacement between 3250 and 4750 hours from the time of to At least tubs wal require replacement between 3250 and 4760 hours from the time of installation (Round to the nearest whole number is needed.)