A company manufactures LED light bulbs. The lifetime for these bulbs is 4,100 hours with a standard deviation of 250 hrs

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A company manufactures LED light bulbs. The lifetime for these bulbs is 4,100 hours with a standard deviation of 250 hrs

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A Company Manufactures Led Light Bulbs The Lifetime For These Bulbs Is 4 100 Hours With A Standard Deviation Of 250 Hrs 1
A Company Manufactures Led Light Bulbs The Lifetime For These Bulbs Is 4 100 Hours With A Standard Deviation Of 250 Hrs 1 (13.4 KiB) Viewed 69 times
A company manufactures LED light bulbs. The lifetime for these bulbs is 4,100 hours with a standard deviation of 250 hrs. What lifetime should the company promote for these bulbs, so that only 2.0% of them burnout before the claimed lifetime?
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