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Vilka [71]
3 years ago
13

Grade 8 Math 8

Mathematics
1 answer:
jeyben [28]3 years ago
4 0
Thank you thank you very much
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Answer:

34%

Step-by-step explanation:

Given that the distribution of daily light bulb request replacement is approximately bell shaped with ;

Mean , μ = 45 ; standard deviation, σ = 3

Using the empirical formula where ;

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Hence, the approximate percentage is : 68% / 2 = 34%

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