Little\'s Law A cell phone repair company works had the following new orders and

Question

Little's Law A cell phone repair company works had the following new orders and end of day inventory levels last week. This company should be assumed to be operating at steady state so Little's Law can be applied. End of Day Inventory 79 82 95 80 73 65 65 Orders 23 178 Sunday Monday Tuesday Wednesday Thursday Friday Saturday 76 258 94 14 a) b) c) What is the average arrival of orders per day? What is the average end of day inventory level? Using Little's Law, what is the average number of hours a cell phone spent at the repair company last week? Your answer must be in hours.

Explanation / Answer

A. Average arrival of orders per day:

= 23+178+99+76+258+94+14÷7 = 106

B. Average end of day inventory level:

= 79+82+95+80+73+65+65/7 = 77

C.littles law : avg inventory/ throughput

=77/106=0.72

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