Essay
Light bulbs are measured in lumens (light output), watts (energy used), and hours (life).Astandard white light bulb has a mean life of 675 hours and a standard deviation of 50 hours.A soft white light bulb has a mean life of 700 hours and a standard deviation of 35 hours.In atest at a local science competition, both light bulbs lasted 750 hours.Which light bulb's life
span was better? Explain.
Correct Answer:
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Standard light bulb: 
Soft light bulb: ...View Answer
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Correct Answer:
Verified
Soft light bulb: ...
View Answer
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