Question: 1. A major television manufacturer has determined that its 44 inch screens have a mean service life that can be modeled by a normal distribution with a mean of 6 years and a standard deviation of one-half year. What is the probability that the service life of that product is between 5 and 7 years? (Enter your answer as a percentage without the percent sign. Keep two decimal places in your answer)
2. Your assembly line with 8 tasks is to be balanced. The longest task takes 3.2 minutes to complete, and the total time for all tasks is 22.3 minutes. The line operates 420 minutes per day. How many workstations are needed if management wants 1575 units to be produced each day?