Jeff Lee Beans is famous for its boxed candies, which are sold primarily to businesses. One operator had the following observed times for gift wrapping in minutes 2.3, 2.6, 2.2, 2.4, 2.3. The operator has a performance rating of 110% and an allowance factor of 15%
The average time for the gift wrapping operation -- minutes
The normal time for the process -- minutes
The standard time for this gift-wrapping operation – minutes