QuestionA company installs 5,000 light bulbs. The lifetimes of the lightbulbs are approximately normally distributed with a mean of 500 hours and a standard deviation of 100 hours. Find the approximate number of bulbs that can be expected to last between 290 hours and 500 hours. A. 2,413 B. 2,911 C. 2,913 D. 2,410
Studdy Solution
Calculate the number of bulbs expected to last between 290 and 500 hours:
Round to the nearest whole number: 2,410 bulbs.
The approximate number of bulbs expected to last between 290 hours and 500 hours is:
View Full Solution - FreeWas this helpful?
