Refer to the Lincolnville School District bus data. Information provided by manufacturers of school buses suggests the mean maintenance cost per year is $4,400 per bus with a standard deviation of $1,000. B click here for the Excel Data Eile Required: a. Compute the mean maintenance cost for the Lincolnville buses. b. Does the Lincolnville data seem to be in line with that reported by the manufacturer? b. Does the Lincolnville data seem to be in line with that reported by the manufacturer? c. Specifically, what is the probability of Lincolnville's mean annual maintenance cost, of greater, given the manufacturer's data? (Round 2 -values to 2 decimal places and final answer to 4 decimal places.)