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A random sample of 900 workers in a particular city found 342 workers who had full health insurance coverage. Find a 95% confidence interval for the true percent of workers in this city who have full health insurance coverage.
Find the probability that follows Binomial distribution.
Suppose you want to sell your house and you have decided to accept the first offer exceeding M dollars, say. Assume that the offers are i.i.d. with common distribution F. Find the expected number of offers received before selling the house.
What is an interaction? Describe an example; what are the variables within your population (work, social, academic, etc.) for which you might expect an interaction.
If a member of this senior class is selected at random, find the probability that the student a) smokes but does not drink alcoholic beverages; b) eats between meals and drinks alcoholic beverages but does not smoke; c) neither smokes nor eats bet..
The data comes from a set of scores on a 50 point Bilogy 101 test. 90 subjects took the test. The scores range from 12-50. How to make a simple frequency distribution table, using the raw data?
A study regarding the relationship between age and the amount of pressure sales personnel feel in relation to their jobs revealed the following sample information.
Pearson correlation of r = +0.85 indicates that a graph of the data would show ___. Clustered close to a line that slopes up to the right points clustered close to a line that slopes down.
What different types of variables are used in quantitative studies? Describe each type of variable and how they differ.
A sample of approx 25 students enrolled in the university points out that X (bar) = $315.4 and s = $43.20.
What are the assumptions of regression analysis and how do you evaluate them?
Construct a 99% confidence interval estimate of the population proportion of accounts that would purchase the additional line if the handset were free.
Professor Brunner had students in his Marketing class rate his performance as Excellent, Good, Fair, or Poor. A graduate student collected the ratings and assured the students that Professor Brunner would not receive them until after the course gr..
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