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The physical plant at the main campus of a large state university recieves daily requests to...

The physical plant at the main campus of a large state university recieves daily requests to replace florecent lightbulbs. The distribution of the number of daily requests is bell-shaped and has a mean of 62 and a standard deviation of 4. Using the empirical rule (as presented in the book), what is the approximate percentage of lightbulb replacement requests numbering between 62 and 66?

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Therefore, The percentage of lightbulb replacement requests numbering between 62 and 66 is 34%.

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