Maurice Tutor

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About Maurice Tutor

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Expertise:
Algebra,Applied Sciences See all
Algebra,Applied Sciences,Biology,Calculus,Chemistry,Economics,English,Essay writing,Geography,Geology,Health & Medical,Physics,Science Hide all
Teaching Since: May 2017
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Education

  • MCS,PHD
    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

Experience

  • Professor
    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 11 Feb 2018 My Price 7.00

atmospheric pollutants

1.     Concentrations of atmospheric pollutants such as car- bon monoxide (CO) can be measured with a spec- trophotometer. In a calibration test, 50 measurements were taken of a laboratory gas sample that is known to have a CO concentration of 70 parts per million (ppm). A measurement is considered to be satisfac- tory if it is within 5 ppm of the true concentration. Of the 50 measurements, 37 were satisfactory.

a.    What proportion of the sample measurements were satisfactory?

b.    Find a 95% confidence interval for the proportion of measurements made by this instrument that will be satisfactory.

c.    How many measurements must be taken to spec- ify the proportion of satisfactory measurements to within ±0.10 with 95% confidence?

 

 

 

 

d.    Find a 99% confidence interval for the proportion of measurements made by this instrument that will be satisfactory.

e.    How many measurements must be taken to spec- ify the proportion of satisfactory measurements to within ±0.10 with 99% confidence?

Answers

Maurice Tutor
(5)
Status NEW Posted 11 Feb 2018 04:02 PM My Price 7.00

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