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Describing capability. If the mesh tension of individual monitors follows a Normal distribution, we can describe capability by giving the percent of monitors that meet specifications. The old specifications for mesh tension are 100 to 400 mV. The new specifications are 150 to 350 mV. Because the process is in control, we can estimate that tension has mean 275 mV and standard deviation 38.4 mV.
(a) What percent of monitors meet the old specifications?
(b) What percent meet the new specifications?
(a) What is the 90% confidence interval estimate for the true mean monthly wages paid to farm workers? (b) What is the 99% confidence interval estimate for the true mean monthly wages paid to farm workers? (c) Compare and comment on the results of (a..
A data set of ordered pairs with a negative linear correlation has a coefficient of determination of 85.2%. What is the linear correlation coefficient?
Can Instant message replace e mail in the future" - Can Instant message be a primary source of internal communication? -How this instant message system will work? -What cost would be? etc...
The z-score of 1.33 tells you that Eric's time to get to work is 1.33 standard deviations from the mean.
Develop a spreadsheet model that could be used to assist a user with retirement planning.
The Grand Strand Family Medical Center is specifically set up to treat minor medical emergencies for visitors to the Myrtle Beach area. There are two facilities, one in the Little River Area and the other in Murrells Inlet.
The same city are delivered within two days. Six parcels are randomly sent to different locations. What is the probability that all six arrive within two days?
De?ne a four-state continuous-time Markov chain that jointly describes the condition of the two machines. Use the assumed independence to compute the transition probabilities for this chain and then verify that these transition probabilities satis..
List the experiments and random run orders if we are to run a fractional design and describe how you would analyse the data in each of the situations defined in (a) and (b) above.
suppose a fast food restaurant wishes to estimate average sales volume for a new menu item. the restaurant has analyzed
Drug testing of job applicants - In 1990, 5.8% of job applicants who were tested for drugs failed the test. At the 0.01 significance level, test the claim that the failure rate is now lower if a simple random sample of 1520 current job applicants ..
In a study designed to test the effectiveness of acupuncture for treating migraine, 142 subjects were treated with acupuncture and 80 subjects were given a sham treatment. The numbers of migraine attacks for the acupuncture treatment group had a m..
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