Based on the financial cost incurred if supply is disrupted and the probability that this happens, the number of suppliers the manager should use is Two (2) suppliers.
<h3>How many suppliers should be used?</h3>
If 3 suppliers are used, the probability of disruption would be:
= Probability of super event + (1 - Probability of super event) x Probability of unique event^ number of suppliers
= 5% + (1 - 5%) x 10%³
= 0.145
The payoff would be:
= 2 million x 0.145 + 30,000
= $191,900
With two suppliers:
= 2 million x (5% + (1 - 5%) x 10%²) + 30,000
= $169,000
With one supplier :
= 2 million x (5% + (1 - 5%) x 10%) + 30,000
= $320,000
The lowest cost is with 2 suppliers so this should be chosen.
Find out more on probability of disruption at brainly.com/question/16625463.
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