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Faculty members in a state university system who resign within 10 years of initial employment are entitled to receive the money paid into a retirement system, plus 4% per year. Unfortunately, experience has shown that the state is extremely slow in returning this money. Concerned about such a practice, a local teachers' organization decides to investigate. From a random sample of 50 employees who resigned from the state university system over the past 5 years, the average time between the termination date and reimbursement was 75 days, with a standard deviation of 15 days. Use the data to estimate the mean time to reimbursement, using a 95% confidence interval.
Two bags contain red, yellow and blue cubes. bag a has 12 red cubes 16 yellow and 22 blue. Bag b has 11 red 14 yellow and 20 blue. Throw wants to choose a yellow cube. which bag should he choose.
a trader is designing his investment portfolio. he has prepared a list of potential companies in which to purchase
Which of the following is a correct statement about a probability? A. It may range from 0 to 1. B. It may assume negative values. 1. Which of the following is a correct statement about a probability?
prepare a 2 slide microsoft powerpoint presentation with speaker notes how to use a z-test to test the null hypothesis
the primary property of the alloys used for teeth filling is the percent of shrinkage on drying. for a certain alloy 45
car manufacturers are concerned about meeting new government regulations on fuel efficiency. audi knows that their
Pepsi wants to use this technique to determine if they should bid for an exclusivity agreement with NCSU. Such an agreement would bind NCSU to sell Pepsi soft drink products exclusively on campus.
Which of the following would lead us to believe that the t procedures were not safe to use in a two-sample problem with 100 subjects in each group?
a normally distributed random variable y has std dev. 800. a random sample of 100 observations was taken from y and
Using the basic informaion from above: If there are no additional customers waiting (or walking up to the counter) when a particular customer begins her transaction, what is the probability that no one will be waiting in line when her transaction ..
Study on New Drug Which Increases White Blood Cell
An injury insurance policy pays out $6000 if a person is seriously injured with permanent disability, $1000 if a person is seriously injured without permanent disability and $0 otherwise. hat is the standard deviation of the amount of money paid by..
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