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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 them burnout before the claimed lifetime?.

asked
User Shen
by
7.9k points

1 Answer

6 votes

Answer:

3586.5

Step-by-step explanation:

answered
User Kyle Siegel
by
8.4k points
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