Unit number 90% learning 1 2 3 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 70% learning nb 1.000 0.700 0.568 0.490 0.437 0.398 0.367 0.343 0.323 0.306 0.291 0.278 0.267 0.257 0.248 0.240 0.233 0.226 0.220 0.214 0.209 0.204 0.199 75% learning int 1.000 0.750 0.634 0.563 0.513 0.475 0.446 0.422 0.402 0.385 0.370 0.357 0.345 0.334 0.325 0.316 0.309 0.301 0.295 0.288 0.283 0.277 0.272 80% learning no 1.000 0.8 0.702 0.640 0.596 0.562 0.534 0.512 0.493 0.477 0.462 0.449 0.438 0.428 0.418 0.410 0.402 0.394 0.388 0.381 0.375 0.370 0.364 85% learning nb 1.000 0.850 0.773 0.723 0.686 0.657 0.634 0.614 0.597 0.583 0.570 0,558 0.548 0.539 0.530 0.522 0.515 0.508 0.501 0.495 0.490 0.484 0.479 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 0.670 0.663 0.656 0.650 0.644 0.639 0.634 0.630 0.625 0.621 Print Done Wake County has a special emergency rescue team. The team is practicing rescuing dummies from a smokelied building. The first time, the team took 480 seconde (8 minutes). The second time, it took 432 seconds (7.2 minutes) Click the icon to view the learning curves table. a. The estimated learning rate is 90% (Enter your response as a whole number) b. Suppose that the team's learning rate for the rescue exercise is 75% The team needs to repeat the exercise 18 times until its time is less than 142.56 seconds. (Enter your response as a whole number) c. It takes 1302 seconds to perform the 20th rescue if the leaming rate is 75%. (Enter your response rounded to one decimal place)