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A sample of 250 observations is selected from a normal population for which the population standard deviation is known to be 24. The sample mean is 20.
A- Determine the standard error of the mean. (Round your answer to 3 decimal places.)
B- Determine the 99% confidence interval for the population mean. (Round your answers to 3 decimal places.)
what are the degrees of freedom for hartleys test statistic for a one - factor anova with n1 5 n2 8 n3 7 n4 8 n5
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Women make up 24% of the science and engineering workforce. In a random sample of 400 science and engineering employees, what is the probability that more than 120 are women?
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question the average number of pounds of meat that a person consumes each year is 218.4 pounds. let the standard
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