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Statistics professor has 115 students in a statistics class and would like to estimate the number...

Statistics professor has 115 students in a statistics class and would like to estimate the number of hours each student studying for the last exam. A random sample of 41 students was found to study an average of 7.3 hours with a standard deviation of 1.9 hours. The 95% confidence interval to estimate the average number of hours studying for the exam is

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