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Business, 12.01.2021 17:30 puppy10rose

An appliance manufacturer wants to contract with a repair shop to handle authorized repairs in Indianapolis. The company has set an acceptable range of repair time of 56.00 minutes to 95.00 minutes. Two firms have submitted bids for the work. In test trials, Firm A had a mean repair time of 77.00 minutes with a standard deviation of 4.00 minutes; and the other firm, Firm B, had a mean repair time of 78.00 minutes with a standard deviation of 5.25 minutes. Compute the following capability indices for both firms:
Capabilty Index FIRM A FIRM B
Lower:
Upper:
Process:
Given the minimum threshold value of 1.00 for process capability, which firm would you choose? (Enter "FIRM A", "FIRM B" or "NONE"):
NOTE: All values should be rounded to the nearest hundredth (two decimal after dot, for example 9.99)

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