Mathematics, 16.04.2020 18:22 student8248

A researcher is interested in estimating that average commute time of people in a city. assume that the commute time follows a normal distribution with a standard deviation of 9.4 minuets. the researcher takes a sample of 10 people and obtains the average communte time of 26.3 minuets. estimate 99% confindence interval for the population mean, that is the error term

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