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The amounts dispensed by a cola machine follow the normal distribution with a mean of 7 ounces and a standard deviation of 0.10 ounces per cup. How much cola is dispensed in the largest 1 percent of the cups?
A population of scores has p = 44. In this population, an X value of 40 corresponds to z = - 0.50. What is the population standard deviation.
Both days have sample standard deviations of 3.4. Is the average mean of size different from day 1 to day 2?
Determine the following probabilities: Events A and B are mutually exclusive events defined on common sample space.
Given the following frequency distribution, find the mean, variance, and standard deviation. Please show all of your work so I can see how to do this for the future. This one is good example of what I can do in future for real estate.
Consider a random sample of size n from an exponential distribution, Xi ~ EXP(1,eta). a) Show that Q = X1:n - eta is a pivotal quantity and find its distribution.
The accounting department at Weston Materials, Inc., national manufacturer of unattached garages, reports that it takes two construction workers mean of 32 hours and standard deviation of 2 hours to erect the Red Barn model.
Researcher is interested in testing whether there are differences in mean between population one and population two.
CAPM and Expected return. If the risk-free rate is 6 percent and the expected rate of return on the market portfolio is 14 percent, is a security with a beta of 1.25 and an expected rate of return of 16 percent overpriced or under priced?
Find out the regression equation Determine the value of Rsquare? Comment on value.
what is the required sample size is the error is to be less than 1/2 hour with a 95% level of confidence?
In each of the following situations, the sampling frame does not match the population, resulting in undercoverage. Give examples of population members that might have been omitted:
We want to know if his support has decreased. In computing a test of hypothesis with , what is the estimate of the overall proportion?
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