Question: Randomly selected students participated in an experiment to test their ability to determine when one minute (or sixty seconds) has passed. Forty students yielded a

Randomly selected students participated in an experiment to test their ability to determine when one minute (or sixty seconds) has passed. Forty students yielded a sample mean of 58.2

seconds. Assuming that sigmaequals=8.8

seconds, construct and interpret a 90 %

confidence interval estimate of the population mean of all students.

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