Question: Choose the correct answer for the questions below. 4 points for each question. 1. Suppose that worker finishes a specific job in 40 minutes and

Choose the correct answer for the questions below. 4 points for each question. 1. Suppose that worker finishes a specific job in 40 minutes and his/her performance is calculated to be 117%. The next day, the same worker finishes the same job in 52 minutes. What is his/her new performance? (a) 105% (b) 90% (c) 92% (d) 76.9% (e) 152.1% 2. Suppose that the amount of time a machine produces an item is normally distributed with mean 6 hours and standard deviation 1 hour. What is the probability that the amount of time for this machine to produce 4 items is greater than 26 hours? (a) 19.15% (b) 15.87% (c) 34.13% (d) 47.72% (e) 2.28%

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