An electric utility tracks the response time to customer reported outages. The data in Table 5E.17are a random sample of 40 of the response times (in minutes) for one operating division of this utility during a single month.

a. Estimate the capability of the utility€™s process for responding to customer-reported outages.
b. The utility wants to achieve a 90% response rate in under two hours, as response to emergency outages is an important measure of customer satisfaction. What is the capability of the process with respect to this objective?

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