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Suppose that the life expectancy of a certain brand of nondefective light bulbs is normally distributed, with a mean lif
Posted: Wed Jul 06, 2022 12:10 pm
by answerhappygod
- Suppose That The Life Expectancy Of A Certain Brand Of Nondefective Light Bulbs Is Normally Distributed With A Mean Lif 1 (25.77 KiB) Viewed 13 times
Suppose that the life expectancy of a certain brand of nondefective light bulbs is normally distributed, with a mean life of 1300 hr and a standard deviation of 50 hr. If 80,000 of these bulbs are produced, how many will last between 1240 hr and 1360 hr? Use the following links to view the Standard Normal Distribution table. Click here to view page 1 of the table. Click here to view page 2 of the table. The number of light bulbs that will last between 1240 hr and 1360 hr is