SOLVED

21) The first unit of a product took 50 hours to build, and the learning curve is 80%. How long will it take to make the third unit? (Use at least three decimals in the exponent if you use the formula approach.) A) under 30 hours B) about 32 hours C) about 35 hours D) about 50 hours E) about 75 hours 22) The first unit of a product took 50 hours to build, and the learning curve is 85%. How long will it take to make the 10th unit? (Use at least three decimals in the exponent if you use the formula approach.) A) less than 24 hours B) from 25 to 30 hours C) from 30 to 35 hours D) from 35 to 40 hours E) more than 40 hours 23) The first unit of a product took 1,000 hours to build and the learning curve is 85%. How long will it take to make the first 5 units? (Use Table E.3) A) less than 4,005 hours B) from 4,005 to 4,015 hours C) from 4,015 to 4,025 hours D) from 4,025 to 4,035 hours E) from 4,035 to 4,045 hours 24) The first unit of a product took 900 hours to build and the learning curve is 90%. How long will it take to make the first 3 units? (Use Table E.3) A) less than or equal to 2,470 hours B) from 2,470 to 2,472 hours C) from 2,472 to 2,475 hours D) from 2,475 to 2,478 hours E) from 2,478 to 2,481 hours 25) The first unit of a product took 80 work days. The learning curve is estimated to be 90%. The time for the fourth unit will be about ________ work days and the time for the first four units will be about ________ work days. (Use Table E.3) A) 51; 250 B) 250; 51 C) 65; 285 D) 51; cannot be determined E) 65; cannot be determined 26) A defense contractor has just started producing turbines for a new government contract. The first turbine took 7000 hours to produce. If the learning curve is 90%, how long will it take to produce the 10th turbine? (Use at least three decimals in the exponent if you use the formula approach.) A) less than 4800 hours B) from 4800 to 4900 hours C) from 4900 to 5000 hours D) from 5000 to 5100 hours E) over 5100 hours 27) A defense contractor has just started producing engines for a new government contract. The first engine took 800 hours to produce. If the learning curve is 80%, how long will it take to produce the first 20 engines? A) less than or equal to 1000 hours B) from 1000 to 8000 hours C) from 8000 to 8500 hours D) from 8500 to 10000 hours E) 10,000 or more hours 28) It took 60 hours to make the first unit of a product. After the second and third units were made, the learning curve was estimated to be 80%. At $10 per hour, estimate the labor bill for the fourth unit. (Use at least three decimals in the exponent if you use the formula approach.) A) $400 or less B) from $400 to $420 C) from $420 to $440 D) from $1800 to $2000 E) over $2000 29) A manager is trying to estimate the appropriate learning curve for a certain job. The manager notes that the first four units had a total time of 30 minutes. Which learning curve would yield approximately this result if the first unit took 9 minutes? (Use Table E.3.) A) 0.70 B) 0.75 C) 0.80 D) 0.85 E) 0.90 30) The ________ is the simplest approach to learning curve problems.