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
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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