Question: 80 % Learning Unit Number 90 % Learning b n 1 WOOOWN 70 % Learning n nb 1.000 1.000 0.700 1.700 0.568 2.268 0.490 2.758

80 % Learning Unit Number 90 % Learning b n 180 % Learning Unit Number 90 % Learning b n 1

80 % Learning Unit Number 90 % Learning b n 1 WOOOWN 70 % Learning n nb 1.000 1.000 0.700 1.700 0.568 2.268 0.490 2.758 0.437 3.195 0.398 3.593 0.367 3.960 0.343 4.303 0.323 4.626 0.306 4.932 0.291 5.223 0.278 5.501 0.267 5.769 75% Learning nb 1.000 1.000 0.750 1.750 0.634 2.384 0.563 2.946 0.513 3.459 0.475 3.934 0.446 4.380 0.422 4.802 0.402 5.204 0.385 5.589 0.370 5.958 0.357 6.315 0.345 6.660 1.000 0.800 0.702 0.640 0.596 0.562 0.534 0.512 0.493 0.477 0.462 0.449 0.438 1.000 1.800 2.502 3.142 3.738 4.299 4.834 5.346 5.839 6.315 6.777 7.227 7.665 85 % Learning nb 1.000 1.000 0.850 1.850 0.773 2.623 0.723 3.345 0.686 4.031 0.657 4.688 0.634 5.322 0.614 5.936 0.597 6.533 0.583 7.116 0.570 7.686 0.558 8.244 0.548 8.792 1.000 0.900 0.846 0.810 0.783 0.762 0.744 0.729 0.716 0.705 0.695 0.685 0.677 1.000 1.900 2.746 3.556 4.339 5.101 5.845 6.574 7.290 7.994 8.689 9.374 10.052 10 11 12 13 d. TriangCom has hired Donna Olway to code programs. Donna completes her first job in 20 weeks and her second job in 14 weeks. Assume that (1) Donna continues to learn at this rate and (2) her time improvements will follow a learning curve. Click the icon to view the selected n and cumulative n values for different learning curves. Time needed Donna to complete her twentienth job is weeks. (Enter your response rounded to three decimal places.) e. Time needed Donna to complete the next fifteen jobs (jobs 3 through 17) is weeks. (Enter your response rounded to three decimal places.) f. With thousands of customers, TriangCom has established a hotline to take customer calls. The hotline is staffed by one person 24 hours a day. You have the following statistics: Service rate for calls 21 per hour, on average Arrival rate for calls 9 per hour, on average As part of your customer service policy, you have decided that the average waiting time should not exceed 8.2 minutes. The average number of callers being served is (Enter your response rounded to three decimal places.) g. The average number of callers are waiting to be served is (Enter your response rounded to three decimal places.) h. The average waiting time for a customer is minutes. (Enter your response rounded to three decimal places.)

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