[See Solution] [1%] NORMAL: A new extended-life light bulb has an average service life of 750 hours, with a standard deviation of 45 hours. If the service
Question: [1%] NORMAL: A new extended-life light bulb has an average service life of 750 hours, with a standard deviation of 45 hours. If the service life of these light bulbs approximates a normal distribution, about what percent of the distribution will be between 600 hours and 800?
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Statistics Tutorials: The Definitive Guide to Percentiles - All the Tricks on the Book - MathCracker.com