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Human Resource Consulting (HRC) surveyed a random sample of 60 construction companies to find information on the costs os their health care plans. One of the items being tracked is the annual deductible that employees must pay. The Minnesota Department of Labor reports that historically the mean deductible amount per employee is $502 with a standard deviation of $100.
What is the chance HRC finds a sample mean between $477 and $527?
A particular consumer product is being assembled on production lines A, B, and C, and packaged in batches of 10. Each day, the quality control team selects.
If the probability of getting caught is .02, the probability of getting a ticket is .97 and the probabiity of having to pay the ticket is .94, what is the direct cost of running a red light.
From past experience with similar products, a company knows that a new product has a 0.60 chance of success on the national market. If the test indicates that the product will be successful, what is the probability that it really will be successfu..
If the sample mean is 27, what is a 95% confidence interval for the population mean?
At what prices would Google have to close at in order for it to be considered statistically unusual? You should have a low and high value. Be sure to use the definition of unusual from our textbook that is measured as a number standard deviations
Suppose that a judge's decisions are upheld by an appeals court 90% of the time. In her next 10 decisions, what is the probability that 8 or more of her decisions are upheld by an appeals court
Might a transformation be useful for these data? Why?
The company paid a dividend of $1.25 last week. If the required rate of return is 15 percent, what is the value of this stock?
Consider the following research question: Are there differences in individual reading comprehension scores as measured by standardized achievement tests
Scarcity and choice are the two essential ingredients of economic analysis. A good is scarce when the human desire or need for it exceeds the amount freely
What is the probability that at least one of the bottles will be unqualified?- Suppose all six bottles are unqualified. Do you believe the company's claim? Justify your answer.
You have successfully won a project. Give an example of a internal and external communication barrier and how they were overcome.
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