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A contractor intends to bid on a job installing 30 airport security systems. Because this will be a new line of work for the contractor,
A contractor intends to bid on a job installing 30 airport security systems. Because this will be a new line of work for the contractor, he believes there will be a learning effect for the job. After reviewing time records from a similar type of activity, the contractor is convinced that an 85 percent curve is appropriate. He estimates that the first job will take his crew eight days to install Use the following table for calculation Learning curve coefficients Unit Number 2 3 .700 568 .490 5 6 7 5 .343 11 .57 13 70% 753 Unit Total Unit Total Time Tise Time Time 1.000 1.ee 1.000 1.ee 1.780 .750 1.750 2.268 .634 2.384 2.758 -562 2.946 437 3.195 .513 3.459 .398 3.593 .475 3.934 .367 3.960 .446 4.380 4.303 .422 4.802 .323 4.626 402 5.284 .386 4.932 -385 5.589 291 5.223 -37e 5.958 .278 5.501 -357 6.315 .267 5.769 -345 6.660 .257 6.026 .334 6.994 .245 6.274 .325 7.319 .240 6.514 316 7.635 233 6.747 329 7.944 -226 6.973 -301 8.245 .22e 7.192 -295 B.540 7.487 -288 8.828 2e9 7.615 .283 9.111 71819 9.388 -209 8.818 .272 9.560 .295 8.213 .267 9.928 191 8.484 .263 10.191 157 8.591 .259 1e.149 163 8.774 10.784 -282 8.954 -251 10.955 9.331 .247 11.2ez BOX Unit Total Time Time 1.ee 1 1.000 see 1.800 702 2.502 .640 3.142 .596 3.738 .562 4.299 .534 4.834 512 5.346 .493 5.839 477 6.315 .462 6.777 .449 7.227 438 7.665 428 8.892 .418 8.511 .41e 8.920 4e2 9.322 .394 9.716 .388 10.104 - 381 10.485 .375 10.86e -37e 11.23 2364 11.594 -359 11.954 .355 12.309 -350 12.659 13.085 -342 13.347 .338 13.685 85% Unit Total Time Time 1.ee 1.ece .850 1.850 .773 2.623 .723 3.345 .686 4.031 .657 4.688 .634 5.322 .614 5.936 .597 6.533 583 7.116 7.686 .558 8.244 .548 8.792 .539 9.331 .530 9.861 522 10.383 .515 10.898 .588 11.405 .501 11.907 .495 12.482 -490 12.892 .484 13.376 .479 13.856 .475 14.331 -470 14.801 .466 15.267 - 462 15.728 .458 16.186 -454 16.648 98% Unit Total Time Time 1. Bee 1. eee .See 1.990 .846 2.746 81e 3.556 .783 4.339 -762 5.101 .744 5.845 .729 6.574 .716 7.290 -785 7.994 .695 8.689 .685 9.374 .677 10.052 .670 10.721 .663 11.384 .656 12.840 .650 12.690 .644 13.334 .639 13.974 .634 14.688 .630 15.237 .625 15.862 .621 16.483 -617 17.100 .613 17.713 609 18.323 .686 18.929 683 19.531 599 28.131 15 16 17 15 19 2e 21 22 23 25 26 -255 .346 28 29 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 .402 .385 370 .357 .345 .334 .325 .316 .309 .323 4.626 .306 4.932 291 5.223 .278 5.501 -267 5.769 .257 6.026 .248 6.274 .240 6.514 .233 6.747 .226 6.973 .220 7.192 .214 7.407 .209 7.615 .204 7.819 199 8.018 .195 8.213 .191 8.404 .187 8.591 .183 8.774 180 8.954 .177 9.131 .174 9.305 .301 5.204 5.589 5.958 6.315 6.660 6.994 7.319 7.635 7.944 8.245 8.540 8.828 9.111 9.388 9.660 9.928 10. 191 10.449 10.704 10.955 11.202 11.446 .295 288 .283 .227 .272 .267 .26 .259 255 .251 493 .477 462 .449 .438 .428 .418 .410 402 394 .388 .381 .375 .370 .364 359 .355 .350 .346 .342 .338 .335 .597 .583 .570 .558 .548 539 530 .522 1515 508 501 499 490 5.839 6.315 6.777 7.227 7.665 8.092 8.511 8.920 9.322 9.716 10.104 10.485 10.860 11.230 11.594 11.954 12.309 12.659 13.005 13.347 13.685 14.020 6.533 7.116 7.686 8.244 8.792 9.331 9.861 10.383 10.898 11.405 11.907 12.402 12.892 13.376 13.856 14.331 14.801 15.267 15.728 16.186 16.640 17.091 -716 7.290 -705 7.994 .695 8.689 .685 9.374 .677 10.05Z .670 10.721 .663 11.384 .656 12.040 .650 12.690 .644 13.334 .639 13.974 .634 14.688 .630 15.237 625 15.862 .621 16.48 1617 17.100 -613 17.713 699 18.323 606 18.929 .603 19.531 599 28.131 .596 20.727 .484 .479 .475 .470 .466 25 26 23 28 29 .462 .458 .454 .450 .244 How many days should the contractor budget for a. The first 10 installations? (Do not round Intermediate calculations. Round your final answer to 3 decimal places.) Number of days b. The second 10 installations? (Do not round intermediate calculations. Round your final answer to 3 decimal places.) Number of days c. The final 10 installations? (Do not round intermediate calculations. Round your final answer to 3 decimal places.) Number of days
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