A sample of 20 part-time workers had mean annual earnings of $3120 with a standard deviation of $677. Construct a 95% confidence in population mean, u. Assume the population has a normal distribution. Round to the nearest dollar. A. ($2135, $2567) B. ($1324, $1567) OC. ($2803, $3437) O D. ($2657, $2891)

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A sample of 20 part-time workers had mean annual earnings of $3120 with a standard deviation of $677. Construct a 95% confidence interval for the
population mean, µ. Assume the population has a normal distribution. Round to the nearest dollar.
O A. ($2135, $2567)
B. ($1324, $1567)
O C. ($2803, $3437)
O D. ($2657, $2891)
Click to select your answer.
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earch
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Transcribed Image Text:A sample of 20 part-time workers had mean annual earnings of $3120 with a standard deviation of $677. Construct a 95% confidence interval for the population mean, µ. Assume the population has a normal distribution. Round to the nearest dollar. O A. ($2135, $2567) B. ($1324, $1567) O C. ($2803, $3437) O D. ($2657, $2891) Click to select your answer. a earch 61 hp 近
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