Question: 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
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 $300 each, and any unused spares will have an expected salvage value of $50. The probability of spare usage can be described by the following distribution (keep two decimal places):
Number of Spares Probability
- 0.10
- 0.50
- 0.25
- 0.15
If a part fails and a spare is not available, two days will be needed to obtain a replacement and install it. The cost of idle equipment is $500 per day. What quantity of spares should the manager order?
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