QuickHelper

(10)

$20/per page/

About QuickHelper

Levels Tought:
Elementary,High School,College,University,PHD

Expertise:
Accounting,Applied Sciences See all
Accounting,Applied Sciences,Business & Finance,Chemistry,Engineering,Health & Medical Hide all
Teaching Since: May 2017
Last Sign in: 357 Weeks Ago, 1 Day Ago
Questions Answered: 20103
Tutorials Posted: 20155

Education

  • MBA, PHD
    Phoniex
    Jul-2007 - Jun-2012

Experience

  • Corportae Manager
    ChevronTexaco Corporation
    Feb-2009 - Nov-2016

Category > Accounting Posted 20 May 2017 My Price 13.00

Customers experiencing technical difficulty with their internet

Question description

 

Customers experiencing technical difficulty with their internet cable hookup may call an 800 number for technical support. It takes the technician between 90 seconds and 12 minutes to resolve the problem. The distribution of this support time follows the uniform distribution.
a.

What are the values for a and b in minutes? (Do not round your intermediate calculations. Round your answers to 1 decimal place.)
   
a
b
b-1.

What is the mean time to resolve the problem? (Do not round your intermediate calculations. Round your answer to 2 decimal places.)
Mean
b-2.

What is the standard deviation of the time? (Do not round your intermediate calculations. Round your answer to 2 decimal places.)
Standard deviation
c.

What percent of the problems take more than 5 minutes to resolve? (Do not round your intermediate calculations. Round your answer to 2 decimal places.)
Percent  %
d.

Suppose we wish to find the middle 50% of the problem-solving times. What are the end points of these two times? (Do not round your intermediate calculations. Round your answers to 3 decimal places.)
   
End point 1
End point 2

Answers

QuickHelper
(10)
Status NEW Posted 20 May 2017 06:05 PM My Price 13.00

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