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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 56 and a standard deviation of 5. Using the empirical rule, what is the approximate percentage of lightbulb replacement requests numbering between 56 and 71?

 Apr 26, 2021
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This is almost identical to the question I just answered so you can do it yourself.

 Apr 27, 2021

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