Maurice Tutor

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

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  • Professor
    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 21 Mar 2018 My Price 8.00

nuclear power station

3.43 To control the risk of severe core damage during a commercial nuclear power station blackout accident, the reliability of the emergency diesel generators to start on demand must be maintained at a high level. The paper “Empirical Bayes estimation of the reliability of nuclearpower emergency diesel generators” [Technometrics (1996) 38:11–23] contains data on the failure history of seven nuclear power plants. The following data are the number of successful demands between failures for the diesel generators at one of these plants from 1982 to 1988.

(Note: The failure of the diesel generator does not necessarily result in damage to the nuclear core because all nuclear power plants have several emergency diesel generators.)

a. Calculate the mean and median of the successful demands between failures.

b. Which measure appears to best represent the center of the data?

c. Calculate the range and standard deviation, s.

d. Use the range approximation to estimate s. How close is the approximation to the true value?

e. Construct the intervals

Count the number of demands between failures falling in each of the three intervals. Convert these numbers to percentages and compare your results to the Empirical Rule.

f. Why do you think the Empirical Rule and your percentages do not match well?

 

Answers

Maurice Tutor
(5)
Status NEW Posted 21 Mar 2018 05:03 AM My Price 8.00

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