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A manager is going to purchase new processing equipment and must decide on the number of spare parts to order with the new equipment. The spares cost $200 each, and any unused spares will have an expected salvage value of $50 each. The probability of usage can be described by this distribution:

Number

0

1

2

3

Probability

.10

.50

.25

.15

If a part fails and a spare is not available, two days will be needed to obtain a replacement and install it. The cost for idle equipment is $500 per day. What quantity of spares should be ordered?

a. Use the ratio method.

b. Use the tabular method (see Table 13.4).

Text Book: Operations Management By Santosh Patnaik.

Operation Management, Management Studies

  • Category:- Operation Management
  • Reference No.:- M91595169

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