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A random sample of 21 NCAA Division I men's basketball games during the 2009-2010 season had an average attendance of 5,038 with a sample standard deviation of 1,755.
a) Construct a 90% confidence interval to estimate the average attendance of an NCAA men's basketball game during the 2009-2010 season.
b) What assumptions need to be made about this population?
Explain to someone who knows no statistics why the two polls can give such widely differing results and which poll is likely to more reliable.
John Kim is the purchasing manager for your computer, Inc., a manufacture of network servers. A truckload of sheet metal has just arrived. Previous experience with the supplier suggests that the thickness of the sheet metal follows a normal distri..
In 1990, the population of Austin, Texas, was 494,290. During the next 10 years, the population increased by about 3% each year.
two points are selected at random independentlyand uniformly along a 1-meterlong stick and the stick is broken at the
The Bunte Auto Repair Shop received a shipment of four carburetors. One is known to be defective. If two are selected at random and tested.
what method of probability assessment would most likely be used to assess the probability that a customer will return a
After a one-hour standoff, what is the likelihood (in percentages) that the negotiation will end successfully? After four hours? After eight hours?
There are 4 entrances to a building in Philadelphia. The bldg maintenance super would like to know if the entrances are equally utilized. To investigate, 400 people were observed entering the building.
If two variables are strongly correlated, does it necessarily always follow that there is a direct cause-and-effect relationship between the two variables?
The plant manager wants to evaluate the capability of a critical cutting operation that he suspects might be the source of the gap problem. The nominal specification for this cutting operation is 25.500 inches.
country financials a financial services company uses surveys of adults age 18 and older to determine if personal
regression analysis and cost estimationthe ceo of carson company has asked you to develop a cost equation to predict
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