onstruct a confidence interval for the population mean μ. 20

timer Asked: Jul 10th, 2015

Question description

Use the given degree of confidence and sample data to construct a confidence interval for the population mean μ. Assume that the population has a normal distribution.

 Thirty randomly selected students took the calculus final. If the sample mean was 75 and the standard deviation was 13.2, construct a 99% confidence interval for the mean score of all students.  

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