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A manufacturer of disk drives for notebook computers wants a MTBF of at least 50,000 hours. Recent test results for 15 units were one failure at 10,000 hours, one at 24,000 hours, and two more at 45,000 hours. The remaining units were still running at 60,000 hours.
A) Number of failures per unit-hour =_____failures per hour (round your response to eight decimal places)
B) The mean time between failures (MTBF) is the expected time between a repair and the next failure of a component. MTBF at this time in testing =_______hours
data with 250 observations are drawn from a bell-shaped distribution with a mean of 50 and a standard deviation of 12.
The Average GPA is known to be 2.67 with standard deviation = 0.58. What GPA will a student need to have to be admitted to the Tech school?
Devise a method for estimating and plotting Bayesian credible regions for the paramters, using your MCMC sample and compute LS estimators of a and b,
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Calculate the Coefficient of Skewness and the Coefficient of Variation for time spent working on QM.
in a large american university in 1969 the male and female professors were sample independently yielding the following
company a makes a large shipment to company b. company b can reject the shipment if they can conclude that the
deliverable length 2 - 3 pages in ms worddescribe a situation in your business or personal life that required research.
Assume a sample of 400 American adults were taken. Show the sampling distribution of the proportion of adults who balance their checkbook at least once a month.
Find out the test statistic P-value, and critical value, and state the final conclusion. The mean IQ score of statistic professors is less than 120. Sample data: n = 46. Suppose that = 17, and the significance level is = 0.05.
Process of algebraic division and then solving a quadratic equation, find the complex roots. Write down all the factors of the 4th degree polynomial
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