Question: I am getting 47.8 below but I do not believe that is the right answer, could I get help The physical plant at the main
I am getting 47.8 below but I do not believe that is the right answer, could I get help

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 approximately normal and has a mean of 41 and a standard deviation of 6. Using the empirical rule, what is the approximate percentage of lightbulb replacement requests numbering between 41 and 47? ans = %
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