Engineering, 19.07.2021 04:30, sancho7511
a municipal council has installed 2000lamps with Mercury bulbs in the street of it's city. the life time of these bulbs are normally distributed with a mean of 1200 burning hours and having standard deviation of 200 hours. how many of these bulbs can be expected to fail
Answers: 2
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a municipal council has installed 2000lamps with Mercury bulbs in the street of it's city. the life...
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