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Title: Light bulbs are measured in lumens (light output), watts (energy used), and hours (life). A standard ... Post by: lambchop03 on Aug 31, 2019 Light bulbs are measured in lumens (light output), watts (energy used), and hours (life). A standard 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 a test at a local science competition, both light bulbs lasted 750 hours. Which light bulb's life span was better? Explain.
Title: Light bulbs are measured in lumens (light output), watts (energy used), and hours (life). A standard ... Post by: dnlee1 on Aug 31, 2019 Content hidden
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