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History, 20.10.2020 20:01 phy75

The physical plant at the main campus of a large state university recieves daily requests to replace fluorescent lightbulbs. The distribution of the number of daily requests is bell-shaped and has a mean of 50 and a standard deviation of 7. Using the empirical rule, what is the approximate percentage of lightbulb replacement requests numbering between 36 and 50?

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