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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. What lifetime should the company promote for these bulbs, so that only 2. 0% of
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15 votes
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?.

User ReallyMadeMeThink
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1 Answer

10 votes
10 votes

Answer:

3586.5

Step-by-step explanation:

User Dexiang
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