A new extended-life light bulb has an average service life, Ask an Expert

Management Studies

A new extended-life light bulb has an average service life of 743 hours, with a standard deviation of 49 hours. If the service life of these light bulbs approximates a normal distribution, about what percent of the distribution will be between 645 hours and 841 hours?

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Business Management, Management Studies

Category:- Business Management
Reference No.:- M9107275

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