5.
Weekly demand for The Art of the Wheel is normally distributed with a mean of 15 copies and a standard deviation of 3 copies. The publisher's lead time is 4 weeks.
Using the table given below find the reorder level that should be used to provide a service level of 90%. Round to the closest whole number. Pick the correct answer below.
a. 27 copies
b. 68 copies
c. 53 copies
d. 40 copies
Question 4 5 pts Two processes are both capable of making a product. Process A has setup time of 100 minutes and run time of 30 seconds per unit. Process B has setup time of 200 minutes and run time of 18 seconds per unit. You would use Process B for volumes greater than or equal to: 200 units 500 units 220 units o o 245 units Normal Distribution Table 0.07 0.09 0.08 0.5319 0.5279 0.5675 0.5359 0.5753 0.5714 0.6103 0.6064 0.6443 0.6808 0.6480 0.6844 0.6141 0.6517 0.6879 0.7224 0.7190 0.7517 0.7823 0.7549 0.7852 The Cumulative Standardized Normal Distribution (Extract from Table E.2, p.547 of Text) Z 0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.0 0.5000 0.5040 0.5080 0.5120 0.5160 0.5199 0.5239 0.1 0.5398 0.5438 0.5478 0.5517 0.5557 0.5596 0.5636 0.2 0.5793 0.5832 0.5871 0.5910 0.5948 0.5987 0.6026 0.3 0.6179 0.6217 0.6255 0.6293 0.6331 0.6368 0.6406 0.4 0.6554 0.6591 0.6628 0.6664 0.6700 0.6736 0.6772 0.5 0.6915 0.6950 0.6985 0.7019 0.7054 0.7088 0.7123 0.6 0.7257 0.7291 0.7324 0.7357 0.7389 0.7422 0.7454 0.7 0.7580 10.7611 0.7642 0.7673 0.7704 0.7734 0.7764 0.8 0.7881 0.7910 0.7939 0.7967 0.7995 0.8023 0.8051 0.9 0.8159 0.8186 0.8212 0.8238 0.8264 0.8289 0.8315 1.0 0.8413 0.8438 0.8461 0.8485 0.8508 0.8531 0.8554 1.1 0.8643 0.8665 0.8686 0.8708 0.8729 0.8749 0.8770 1.2 0.8849 0.8869 0.8888 0.8907 0.8925 0.8944 0.8962 1.3 0.9032 0.9049 0.9066 0.9082 0.9099 0.9115 0.9131 1.4 0.9192 0.9207 0.9222 0.9236 0.9251 0.9265 0.9279 1.5 0.9332 0.9345 0.9357 0.9370 0.9382 0.9394 0.9406 1.6 0.9452 0.9463 0.9474 0.9484 0.9495 0.9505 0.9515 1.7 0.9554 0.9564 0.9573 0.9582 0.9591 0.9599 0.9608 1.8 0.9641 0.9649 0.9656 0.9664 0.9671 0.9678 0.9686 1.9 0.9713 0.9719 0.9726 0.9732 0.9738 0.9744 0.9750 2.0 0.9772 0.9778 0.9783 0.9788 0.9793 0.9798 0.9803 0.7157 0.7486 0.7794 0.8078 0.8340 0.8577 0.8790 0.8106 0.8365 0.8599 0.8133 0.8389 0.8621 0.8810 0.8997 0.9162 0.9306 0.8830 0.9015 0.9177 0.9319 0.9441 0.9429 0.8980 0.9147 0.9292 0.9418 0.9525 0.9616 0.9693 0.9756 0.9535 0.9625 0.9699 0.9545 0.9633 0.9706 0.9767 0.9817 0.9761 0.9812 0.9808 Question 7 5 pts Skinner's Produce buys fresh Boston lettuce daily for $1.20 a pound and sells it for $3.60 a pound. Any lettuce left over at the end of the day is sold to a soup kitchen for $0.60 a pound. Skinner uses the single-period model to determine how much lettuce to buy at the beginning of each day. For this situation Skinner's critical fractile is: 0.10 0.80 0.33 0.63
