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The following is an appropriate statement of the null and alternate hypotheses for a test of a population mean:
H0 : ? 50
HA : ? > 50
True or False?
Use the 5% level of significance. (a) Define null and alternate hypotheses. (b) Determine the value of sample test statistic? (c) Determine(or estimate) P-value.
The x and the y variable in the table below are correlated. Determine the 'R' value, and then determine the regression equation.
jenco tracks their daily profits and has found that the distribution of profits is approximately normal with a mean of
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A sample of 16 batteries reveals a mean of 3.45 years and a standard deviation of 0.3 years. Find a 95% confidence interval for the population mean.
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the ebit of a firm is 300 the tax rate is 35 the depreciation is 20 capital expenditures are 60 and the increase in net
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Flu cases this past fly season in the Central City school system were about 15 per week. For the entire state, the weekly average is 16 and the standard deviation, 2.35. Are the kids in Central City as sick as the kids throughout the state?
You're trying to explain null and alternative hypotheses to one of the senior managers at Company W and he's not "getting it" when you use snack food sales.
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