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QUESTION
Construct a 90% confidence interval for the population mean, . Assume the population has a normal distribution. A sample of 45 randomly selected...
Construct a 90% confidence interval for the population mean, μ. Assume the population has a normal distribution. A sample of 45 randomly selected economics majors has a grade point average of 2.76 with a sample standard deviation of 0.88. Round to the nearest hundredth.
