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29 votes
29 votes
Laboratory

tests show that the lives of light bulbs are normally distributed with a mean of 750 hours

User Michael Ellick Ang
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2 Answers

14 votes
14 votes

Answer:

it is 34%

Explanation:

I just answered this right

User DotcomXY
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2.9k points
22 votes
22 votes

Answer:

Thats a lot of hours.

Explanation:

User Idm
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