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The speed with which utility companies can resolve problems is very important. GTC, the Georgetown Telephone Company, reports it can resolve customer problems the same

The speed with which utility companies can resolve problems is very important. GTC, the Georgetown Telephone Company, reports it can resolve customer problems the same day they are reported in 75% of the cases. Suppose the 15 cases reported today are representative of all complaints.

c.What is the probability 8 or 9 of the problems can be resolved today?

d.What is the probability more than 10 of the problems can be resolved today?

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