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Is the number of children that a college student currently has independent of the type of college or university being attended? Suppose students were randomly selected from three types of colleges and universities and the data shown represent the results of a survey of those students. Use the chi-square test of independence of the answer the question. Let alpha = .05
Type of College or University
Community College Large University Small College
Children 0 25 178 31
Children 1 49 141 12
Children 2 31 54 8
Children 3 or more 22 14 6
ABC Corp. is a firm with all-equity financing. Its equity beta is .80. The Treasury bill rate is 4 per cent and, and the market risk premium is expected to be 10 per cent. What is ABC's asset(equity) beta?
The study compared the number of Hm-2 gene mutations in each group. The data table is below.
FBI Report do greater universities that tend to have more property crime. Keep a scatter diagram also sketch the line you think best fits the data.
Use Excel and determine the number of each type of person that will be needed to complete the job within the allotted time and at minimum cost.
If we assume all the possible random samples of 250 students at this university, 95 percent of the samples should have means among what two numbers.
What is the probability that the trainee class will consist entirely of men or women? Round your answer to the nearest thousandth.
A producer of pleasure boats wants to maximize revenue during the next month. Two types of boats are sold, x1 and x2. Type x1 sells for $40,000 and type x2 sells for $30,000. The x1 boats require 10 weeks of labor and 600 board feet of lumber each..
Compute the mean, median, mode and standard deviation for the following discrete probability distribution.
Set up dummy coded dummy variables to contrast each of the other groups to Group 2, medium Anxiety; run a regression to predict exam performance (Y) from these dummy coded dummy variables.
A surgical technique is performed on seven patients. You are told there is a 70% chance of success. Find the probability that the surgery is successful for at least four patients.
What do we mean by confidence intervals - provide an example that illustrates your answer. Suppose we were to apply 95% and 99% confidence to your study results.. how might your result differ and why?
A point Y is selected at random from interval (0,1). Then another point X is chosen at random from the interval (0,Y). Find probability density function for X.
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