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Establish an approximate design to MTBF required for a system that will result in an approximate minimum total cost over a five year period if the system is to be operated 7500 hours per year, where
Total Cost (for 5 years) = Acquisition cost + Spare cost + Downtime cost
System acquisition cost is related to MTBF, θ, as follows:
CA(θ) = θe0.050
The average cost of downtime associated with failure is $9,000 and the average cost of a spare item is $2,000
What proportion of time will it take clean-up crew 56 or more hours for cleaning plant? Define the lower and upper limits of interval.
What is the probability that none are a commercial success?
Find the area under the normal distribution curve to the right of z = -1.03.
Given 7 male individuals in a Physical Education course, the number of sit ups each individual can do in a one minute period was recorded:
Subjects at both sites were classified as dropouts if they left the study before the conclusion, or completers if they finished the study
Develop appropriate hypotheses such that rejection of H0 will support the researcher's contention.
Find the expected GPA when SAT = 800. Find E (GPA|SAT = 1,400). Comment on the difference.
Obtain the simple linear regression equation, then analyze the residuals by (a) constructing a histogram
Determine the values of mean M and standard deviation s for original sample?
P-value to test hypotheses,
What is the equation for this regression model?
Use a scatter plot to determine the relationship between the x values and the y values.
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