Customers experiencing technical difficulty with their Internet cable hookup may call an 800 number for technical suppport. It takes the technician between 150 seconds to 14 minutes to resolve the...

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Customers experiencing technical difficulty with their Internet cable hookup may call an 800 number for technical suppport. It takes the technician between 150 seconds to 14 minutes to resolve the problem. The distribution of this support time follows the uniform distribution.

(b-2) What is the stand...

Answered Same DayDec 20, 2021

Answer To: Customers experiencing technical difficulty with their Internet cable hookup may call an 800 number...

Robert answered on Dec 20 2021

127 Votes

Let a is the low end and b is the high end:
a = (150/60) minutes = 2.5 minutes
b = 14 minutes

Mean
    2.5 14 16.5
.
2 2 2
a b 
   8 25 minutes
Standard deviation
   
2 2
14 2.5
3.31976 minutes
12 12
b a 
  

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Customers experiencing technical difficulty with their Internet cable hookup may call an 800 number for technical suppport. It takes the technician between 150 seconds to 14 minutes to resolve the...

Answer To: Customers experiencing technical difficulty with their Internet cable hookup may call an 800 number...

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