Mathematics, 04.07.2020 14:01 Kylehc21
Suppose the number of business majors at liberal arts colleges are normally distributed and have a known population standard deviation of 21 students and an unknown population mean. A random sample of 35 liberal arts colleges is taken and gives a sample mean of 420 business majors. Find the margin of errorfor the confidence interval for the population mean with a 90% confidence level. Round the final answer to two decimal places.
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Suppose the number of business majors at liberal arts colleges are normally distributed and have a k...
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