Question 22 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 46 and a standard deviation of 4. Using the empirical rule, what is the approximate percentage of lightbulb replacement requests numbering between 42 and 46? Do not enter the percent symbol. ans = de Question Help: Message instructor Submit