What is the average demand and standard deviation of demand during the protextion interval? the target inventory ?the order quantity ? Nationwide Auto Parts uses a periodic review inventory control system for one of its stock items. The review interval is 4 weeks, and the lead time for receiving thematerials ordered from its wholesaler is 4 weeks. Weekly demand is normally distributed, with a mean of 250 units and a standard deviation of 50 units. Refer to thestandard normal table for z-values.a. What is the average and the standard deviation of demand during the protection interval?The average demand during the protection interval isunits. (Enter your response as an integer.) Z0.00.10.20.30.40.50.60.70.80.91.01.11.21.31.41.51.61.71.81.92.02.10.01 0.020.030.6179 0.62170.66280.000.04 0.05 0.06 0.07 0.08 0.090.5000 0.5040 0.5080 0.5120 0.5160 0.5199 0.5239 0.5279 0.5319 0.53590.5398 0.5438 0.5478 0.5517 0.5557 0.5596 0.5636 0.5675 0.5714 0.57540.5793 0.5832 0.5871 0.5910 0.5948 0.5987 0.6026 0.6064 0.6103 0.61410.6255 0.6293 0.6331 0.6368 0.6406 0.6443 0.6480 0.65170.6554 0.65910.6664 0.6700 0.6736 0.6772 0.6808 0.6844 0.68790.6915 0.6950 0.6985 0.7019 0.7054 0.7088 0.7123 0.7157 0.7190 0.72240.7258 0.7291 0.7324 0.7357 0.7389 0.7422 0.7454 0.7486 0.7518 0.75490.7580 0.7612 0.7642 0.7673 0.7704 0.7734 0.7764 0.7794 0.7823 0.78520.7881 0.7910 0.7939 0.7967 0.7996 0.8023 0.8051 0.8079 0.8106 0.81330.8159 0.8186 0.8212 0.8238 0.8264 0.8289 0.8315 0.8340 0.8365 0.83890.8413 0.8438 0.8461 0.8485 0.8508 0.8531 0.8554 0.8577 0.8599 0.86210.8643 0.8665 0.8686 0.8708 0.8729 0.8749 0.8770 0.8790 0.8810 0.88300.8849 0.8869 0.8888 0.8907 0.8925 0.8944 0.8962 0.8980 0.8997 0.90150.9032 0.9049 0.9066 0.9082 0.9099 0.9115 0.9131 0.5147 0.9162 0.91770.9192 0.9207 0.9222 0.9236 0.9251 0.9265 0.9279 0.9292 0.9306 0.93190.9332 0.9345 0.9357 0.9370 0.9382 0.9394 0.9406 0.9418 0.9430 0.94410.9452 0.9463 0.9474 0.9485 0.9495 0.9505 0.9515 0.9525 0.9535 0.95450.9554 0.9564 0.9573 0.9582 0.9591 0.9599 0.9608 0.9616 0.9625 0.96330.9641 0.9649 0.9656 0.9664 0.9671 0.9678 0.9686 0.9693 0.9700 0.97060.9713 0.9719 0.9726 0.9732 0.9738 0.9744 0.9750 0.9756 0.9762 0.97670.9773 0.9778 0.9783 0.9788 0.9793 0.9798 0.9803 0.9808 0.9812 0.98170.9830 0.9834 0.9838 0.9842 0.9846 0.9850 0.9854 0.98570.9821 0.9826

Safety stock management is vital in retail as recent fads arise and demand varies. Organizations can…

Nationwide Auto Parts uses a periodic review inventory control system for one of its stock items. The review interval is 4 weeks, and the lead time for receiving the materials ordered from its wholesaler is 4 weeks. Weekly demand is normally distributed, with a mean of 250 units and a standard deviation of 50 units. Refer to the standard normal table for z-values. a. What is the average and the standard deviation of demand during the protection interval? The average demand during the protection interval is units. (Enter your response as an integer)

Nationwide Auto Parts uses a periodic review inventory control system for one of its stock items. The review interval is 4 weeks, and the lead time for receiving the materials ordered from its wholesaler is 4 weeks. Weekly demand is normally distributed, with a mean of 250 units and a standard deviation of 50 units. Refer to the standard normal table for z-values. a. What is the average and the standard deviation of demand during the protection interval? The average demand during the protection interval is units. (Enter your response as an integer)

Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter2: Introduction To Spreadsheet Modeling

Section: Chapter Questions

Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...

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Question

What is the average demand and standard deviation of demand during the protextion interval?

the target inventory ?

the order quantity ?

Nationwide Auto Parts uses a periodic review inventory control system for one of its stock items. The review interval is 4 weeks, and the lead time for receiving the
materials ordered from its wholesaler is 4 weeks. Weekly demand is normally distributed, with a mean of 250 units and a standard deviation of 50 units. Refer to the
standard normal table for z-values.
a. What is the average and the standard deviation of demand during the protection interval?
The average demand during the protection interval is
units. (Enter your response as an integer.)

Z
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
2.0
2.1
0.01 0.02
0.03
0.6179 0.6217
0.6628
0.00
0.04 0.05 0.06 0.07 0.08 0.09
0.5000 0.5040 0.5080 0.5120 0.5160 0.5199 0.5239 0.5279 0.5319 0.5359
0.5398 0.5438 0.5478 0.5517 0.5557 0.5596 0.5636 0.5675 0.5714 0.5754
0.5793 0.5832 0.5871 0.5910 0.5948 0.5987 0.6026 0.6064 0.6103 0.6141
0.6255 0.6293 0.6331 0.6368 0.6406 0.6443 0.6480 0.6517
0.6554 0.6591
0.6664 0.6700 0.6736 0.6772 0.6808 0.6844 0.6879
0.6915 0.6950 0.6985 0.7019 0.7054 0.7088 0.7123 0.7157 0.7190 0.7224
0.7258 0.7291 0.7324 0.7357 0.7389 0.7422 0.7454 0.7486 0.7518 0.7549
0.7580 0.7612 0.7642 0.7673 0.7704 0.7734 0.7764 0.7794 0.7823 0.7852
0.7881 0.7910 0.7939 0.7967 0.7996 0.8023 0.8051 0.8079 0.8106 0.8133
0.8159 0.8186 0.8212 0.8238 0.8264 0.8289 0.8315 0.8340 0.8365 0.8389
0.8413 0.8438 0.8461 0.8485 0.8508 0.8531 0.8554 0.8577 0.8599 0.8621
0.8643 0.8665 0.8686 0.8708 0.8729 0.8749 0.8770 0.8790 0.8810 0.8830
0.8849 0.8869 0.8888 0.8907 0.8925 0.8944 0.8962 0.8980 0.8997 0.9015
0.9032 0.9049 0.9066 0.9082 0.9099 0.9115 0.9131 0.5147 0.9162 0.9177
0.9192 0.9207 0.9222 0.9236 0.9251 0.9265 0.9279 0.9292 0.9306 0.9319
0.9332 0.9345 0.9357 0.9370 0.9382 0.9394 0.9406 0.9418 0.9430 0.9441
0.9452 0.9463 0.9474 0.9485 0.9495 0.9505 0.9515 0.9525 0.9535 0.9545
0.9554 0.9564 0.9573 0.9582 0.9591 0.9599 0.9608 0.9616 0.9625 0.9633
0.9641 0.9649 0.9656 0.9664 0.9671 0.9678 0.9686 0.9693 0.9700 0.9706
0.9713 0.9719 0.9726 0.9732 0.9738 0.9744 0.9750 0.9756 0.9762 0.9767
0.9773 0.9778 0.9783 0.9788 0.9793 0.9798 0.9803 0.9808 0.9812 0.9817
0.9830 0.9834 0.9838 0.9842 0.9846 0.9850 0.9854 0.9857
0.9821 0.9826

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