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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
Develop appropriate hypotheses such that rejection of H0 will support the researcher's contention.
The alternative hypothesis is true. In this case the consumer advocacy group will have, A consumer advocacy group doubts this claim and tests the hypotheses
At α = 0.01 level of significance, test the hypothesis that these data can be described by a Poisson pdf.
The mean of a sample is 22.5. The mean of 1000 bootstrapped samples is 22.491. The bias of the bootstrap mean is
If person is selected at random and tested, determine the probability of that person having an IQ score between 85 and 115. Make use of EXCEL to help determine the probability.
Analysis of data sets assignment
MATH1550H: Assignment:Questions: (Genetics) What is the probability that at most two of the offspring are aa?
For a sample with standard deviation of 10, a score of X = 44 corresponds to z-score of 0.50. Based on this info, determine the sample mean?
Suppose that the number of babies born during an hour at a hospital's maternity wing follows a Poisson distribution with a mean of 4 per hour.
Then use ogive to estimate median and first and third quartiles. Also utilize it to reply following question: What percent of 60 mutual fund loads are less than 75.
To test this notion, eight paid volunteers were placed (individually) in a room in which there was no light from the outside and no clocks or other indications of time.
What is the 95% confidence interval for the difference between the mean prices of the two models?
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