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The XYZ Company is concerned about the safety record of its firms employees, and sets aside 25,000 a year for their safety education. The finance vp was also interested in knowing how much money was set aside by similar companies. To estimate that unknown amount, a sample 49 similar companies were studied.
>Results were : X Bar=24,000 and S=1400. Build to 90% CI for the money set aside by the similar companies.
>Based on the CI just computed, do you think that the XYZ Company is setting aside unusual amounts of money, or are they about the same as others?
Test the relevant hypotheses using a 5 .05. For purposes of this exercise, assume that it is reasonable to regard the sample
Threes Electronic can issue bonds for $5 ~ $6 million in the similar terms.Company tax rate is 35%. What is the market value? WACC?
a television station estimates that 60 of college students watch the super bowl. for a sample of 240 students selected
in a test for esp extrasensory perception a subject is told that cards the experimenter can see but he cannot contain
This index is normalized to have a value of 100 in 1965 and is used to record changes in consumer morale. The full data set can be found on the text website
State the null hypothesis H 0 and the alternative hypothesis H 1 that we would use for this test. Determining null and alternative hypotheses for the height of a plant.
The crime rate was higher among secondgeneration than among first-generation immigrants; moreover, the crime rate was higher among third-generation than among second-generation immigrants.
The figures show the number of Iraq casualties through October 2009 and the population of some hometowns .
one measure of the risk or volatility of an individual stock is the standard deviation of the total return capital
In fiscal 1996, the U.S. Agency for International Development provided 238,300 metric tons of corn soy blend (CSB) for development programs and emergency relief in countries throughout the world.
A population has a mean is 25 and a standard deviation of five. The sample mean is 24, and the sample size is 108.
(AR) Use the proportion you computed in #29. Compute the 95% confidence interval on the population proportion of women who strongly agree that animal research is wrong.
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