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 35 and a standard deviation of 3. Using the empirical
rule (as presented in the book), what is the approximate percentage
of lightbulb replacement requests numbering between 35 and
44?
ans = %
ans = 49.85%
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