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A researcher is interested in estimating the salary of management majors. it is known that the population of salary offers is normally distributed with a standard deviation of 4(in thousands of dollars). the sample yields a sample mean of 50.
1. construct a 95% confidence interval for the mean salary of management majors?
2.interpret the confidence interval you found in a).
3. it the confidence interval still valid if the population of salary offers is not normally distrotion.
A multiplicative demand function form: Qd= a*P^b1*Y^b2*Po^b3 is determine using cross sectional data and 224 observations. The regression results were given below:
Lenny's, a national restaurant chain, conducted a study of factors affecting demand. The following variables were defined and examined for a random sample of thirty of its restaurants:
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An investment opportunity has the potential of generating yearly revenues with the associated probabilities for the next five years as shown below. The salvage value at the end of five years is 0. The potential revenue in any given year is indepen..
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