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Question: A group of 60 second graders is to be randomly assigned to two classes of 30 each. (The random assignment is ordered by the school district to ensure against any bias.) Five of the second graders, Marcelle, Sarah, Michelle, Katy, and Camerin, are close friends. What is the probability that they will all be in the same class? What is the probability that exactly four of them will be? What is the probability that Marcelle will be in one class and her friends in the other?
Determine the estimated regression equation that can be used to predict the star rating given the point values for execution, ease of use, and range of offerings.
Determine the standard error of estimate. Suppose a large sample is selected (instead of just five). About 68 percent of the predictions would be between what two values?
The data for 13 intersections in Fairfax County, Virginia, are given in the table. Analyze the data for the VDOT. What do you conclude?
The weights are expressed in kilograms.
use the binomial probability distribution when your random variable is the number of successes on n success or failure
Anderson's Law Office just received four new legal cases from its clients. Each case is about different legal issues, divorce, bankruptcy, labor and employment, and criminal law. Formulate an integer program model to maximize the total winning prob..
Twenty percent of U.S. mortgages are "underwater" (The Boston Globe, March 5, 2009). A mortgage is considered underwater if the value of the home is less than what is owed on the mortgage. Suppose 100 mortgage holders are randomly selected.
The following is a list of A = 10 city blocks. Assume that you want to draw a sample of size 50, Please identify the unique IDs of the 50 sample members
The point of averages of a scatterplot of Y against X is (14, 1 ). The SD of X is 6, and the SD of Y is 7.
It is known that for a laboratory computing system the number of system failures during a month has a Poisson distribution with a mean of 0.8.
What is stepwise regression, and when is it desirable to make use of this multiple regression technique?
Rrepresented as a table or a graph, both shown below. The random variable xi represents the number of complaints, and p(xi) is the probability of receiving xi complaints.
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