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During the weekends the airline customer center opens at 8: 00 am. An airline customer arrives 5 minutes after the customer center opens and then the interarrival times for the next four customers in order are 3 minutes, 9 minutes, 1 minute, and 4 minutes, after which there is a long delay until the next customer arrives. The service times for these first the 5 customers (in order) are 8 minutes, 6 minutes, 2 minutes, 4 minutes, and 7 minutes.How would I calculate estimates of L, Lq, W, Wq and probability that there is no customer in the system?How would I calculate L, Lq, W, Wq and probability there is no voter in the system with 2 customer service representatives?
A driver hired at the beginning of a year can be used to meet the current year's requirements and is paid full salary for the current year.
Nationwide, the average time until a electric utility customer service representative answers a call is 260 second. The Gigantic Kilowatt Energy Company rnadomly sampled 30 calls and found that, on average, they were answered in 227 second with a ..
State the hypotheses for a right-tailed test. Obtain a test statistic and p-value assuming equal variances. Interpret these results. Is the difference in mean scores large enough to be important?
A Taguchi experiment is to be performed on the effects of lift, bore, stroke, and compression on engine performance with horsepower as the outcome variable. The factors were tested at each of the following levels in hopes of improving engine horse..
A computer supply house receives a large shipment of floppy disks each week. Past experience has shown that the number of flaws per disk can be described by the following probability distribution:
Ms. Lisa Monnin is the budget director for the New Process Company. She would like to compare the daily travel expenses for the sales staff and the audit staff. She collected the following sample information.
One of 4 bus drivers is also arbitarily chosen. Let Y denote number of students on his bus. Calculate expectations and variances of X and Y.
Fifty raffle tickets are numbered 1 throughout 50, and one of them is drawn at random. What is the probability that the number is a multiple of 5 or 8? Consider the following "solution": Since 10 tickets bear numbers that are multiples of 5 and 6 ..
Equation of the regression line - Evaluate the equation of the regression line and Find y' when x=47 years.
According to US Census Bureau, 7.1% of all births to non-smoking mothers are of low birth weight (
A confidence interval estimate for the population mean is given to be (41.16, 49.85). If the standard deviation is 16.290 and the sample size is 54, answer each of the following (show all work):
A standard die has its faces painted different colors. Faces3,4,6 are red, faces 2 and 5 are black and face 1 is white.
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