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The city housing department wants to estimate the average rent for rent-controlled apartments. They need to determine the number of renters to include in the survey in order to estimate the average rent to within $50 using a 95% confidence interval. From past results, the rent for controlled apartments ranged from $200 to $1,500 per month. How many renters are needed in the survey to meet the requirements?
Suppose that a random sample of fifteen recently sold houses in a certain city has a mean sales price of $290000 , with a standard deviation of $15,000.
provide an example of each of the following types of data nominal ordinal interval and
A personnel manager has a computer-generated list of all employees that indicates that 70 percent are full-time employees, 20 percent are part-time employees, and 10 percent are furloughed or laid-off employees.
in a recent survey of 205 never-married single women 78 thought they would eventually find and marry their perfect
A randomly selected full-grown adult female okapi weighs between 425 and 525 pounds?
a local childrens boutique specializes in formal wear for young girls. it has recently hired a new seamstress. to
Use MegaStat's output for simple linear regression to determine the regression equation
Among 620 adults selected randomly from among the residents of one town, 18.9% said that they favor stronger gun-control laws.
a random sample of six cars from a particular model has the following fuel consumption figure in miles per gallon 18 16
the weights of a population of workers have mean 167 and standard deviation 27. if a sample of 36 workers is chosen
The marketing slogan will be "Why Pay for Storage Capacity that You Don't Need?" Based on the data from the study of iPod owners, what percentage of owners, based on their current usage, would have enough capacity with the new 1-GB player?
Average Precipitation For the first 7 months of the year, the average precipitation in Toledo, Ohio, is 19.32 inches. If the average precipitation is normally distributed with a standard deviation of 2.44 inches, find these probabilities.
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