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For a particular company, data was collected on hourly workers and salaried workers preference for two difference pension plans: Plan 1 (p1) and Plan 2 (p2). Using the table below, what is the probability employees prefer Plan 1?
Pension Plan
Job Classification Plan1 Plan2 Total
Hourly Workers 120 100 220
Salaried Workers 80 100 180
Total 200 200 400
A cell phone company offers two plans to its subscribers. At the time new subscribers sign up, they are asked to provide some demographic information. The mean yearly income for a sample of 40 subscribers to Plan A is $59,100 with a standard d..
What is the correlation between pre-test scores and post-test scores? Assuming the obvious directional hypothesis (i.e., that those who score highly at pre-test tend to score highly at post-test), is the correlation statistically significant?
In a survey of 900 college students , 405 out of 900 students has credit card or 45% of the student owned a credit card.
q1. which of the following best describes the research question for this study?a.what are the reasons people drive
Assume the random variable x is normally distributed with a mean of 50 and a standard deviation of 7. Find the indicated probability. P(x>36)
A company is considering expansion of its current facility to meet increasing demand. If demand is high in the future, the major expansion would result in an additional profit of $800,000, but if demand is low then there would be a loss of $500..
Calculate chi-square for this table. Show your work. Draw a table just like the one above, leaving room in each cell to record these numbers: observed frequency fo), expected frequency fe), Fo -fe(f0-fe)2 and (f0-fe)2/fe
What is a reverse mortgage? Is a reverse mortgage good or bad ? Why? Present this article to the class and explain why you chose the example. Include the URL for the site you used. Do not copy the text in the site verbatim. You should summarize y..
An insurance company suspects that there is a positive linear relationship between the dollar amount of fire damage in residential fires, and the distance between the residence and the nearest fire station. Data were collected on a random sampl..
Your write-up of this experiment should include your work to determine the n, your methodology, your record of the experiment, your confidence interval, your interpretation of the confidence interval, your formal hypothesis test and your comments ..
Way around B&W plots
Determine the posterior probabilities, given the following prior and likelihood probabilities.Prior probabilities P(s1) = .25 P(s2) = .40 P(s3) = .35 Likelihood Probabilities
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