The following data was collected by an intern working at the Mole Hill Ski Resort regarding the efficiency of the V-8 Ford engine that was used to power their rope tow for the bunny slope. Management would like to know how many hours of service they can expect to achieve out of their obviously failing engine out of a typical 16 hour skiing day. After studying the data, you can state with 95% confidence that the engine will be able to run for ________ hours ± _________ hours of a 16 hour day.
Running on 8 cylinders ............................................................... |||||
Running on 7 cylinders ............................................................... ||||| ||||| ||
Running on 6 cylinders ............................................................... ||||| ||||| ||||| ||
Not running, engine clogged ................................................... ||||| ||||| ||||| ||||| ||||| ||