Question: Construct a 95% confidence interval for the population mean, Assume the population has a normal distribution. A sample of 20 part-time workers had mea

Construct a 95% confidence interval for the population mean, Assume the population has a normal distribution. A sample of 20 part-time workers had mea annual earnings of $31.20 with a standard deviation of $677. Round to the neare dollar. ($2803, $3437) ($21.35, $2567) ($2657, $2891) ($1324, $1567)

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