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Ashland MultiComm Services (AMS) is a residential telecommunications provider. The AMS technical services department has embarked on a quality improvement program. Its first project relates to maintaining the target upload speed for its Internet service subscribers.
Upload speeds are measured on a standard scale in which the target value is 1.0. Data collected over the past year indicate that the upload speed is approximately normally distributed, with a mean of 1.005 and a standard deviation of 0.10. Each day, one upload speed is measured. The upload speed is considered acceptable if the measurement on the standard scale is between 0.95 and 1.05.
A random sample of 100 computers showed a mean of 115 gigabytes used with a standard deviation of 20 gigabytes. What is the standard error of the mean.
a) How many cars are red and have a sun roof, but do not have an automatic transmission? b) How many cars are not red, do not have an automatic transmission, and do not have a sun roof?
An injection molding machine produces golf tees that are 20.0% nonconforming. Using the normal distribution as an approximation to the binomial, find the probability that, in a random sample of 360 golf tees, 65 or less are nonconforming. Show you..
A hat contains three coins - one gold, one silver and one copper. You will select coins one at a time without replacement until you choose the gold coin. The outcome of interest is the sequence of coins that are selected during this process.
Suppose that you do a test for H0: μ = 6 against HA: μ &neq; 6 you obtain a sample mean of 6.5 and the test gives you a a p-value of 6%. We want to connect the p-value to the confidence interval for the mean.
A finite lot of 40 digital watches includes 30% nonconforming units. Using the hypergeometric distribution, what is the probability that a sample of 6 will contain 3 nonconforming watches? Show your work.
If the lab technician takes 16 measurements and the variance of the measurements in the sample is 2.2, does this provide enough evidence to reject the claim that the lab technician's accuracy is within the target accuracy?
The given matrix demonstrate the payoffs for an advertising game between Hilton and the Oriental. The companies can choose to advertise or to not advertise.
An increasing number of consumers believe that they have to look out for themselves in the marketplace. According to a survey conducted y the Yankelovich Partners for USA Weekend magazine, 60% of all consumers have called an 800 or 900 telephone n..
What is the probability of no off-the-job accidents during a one-year period (to 4 decimals)?
If the university wants only the top 75% of the students to be eligible to apply, what should be the minimum GMAT score specified for eligibility?
In a one shot game, if you promote and your rival promotes, you will earn $7 million and your rival will earn $2 million in profits.
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