Mathematics, 28.03.2020 03:21 tttyson

A quality control expert at a drink bottling factory took a random sample of 9 bottles from a production run of
over 1,000 bottles and measured the amount of liquid in each bottle in the sample. The sample data were
roughly symmetric with a mean of 505 mL and a standard deviation of 6 mL.
Based on this sample, which of the following is a 95% confidence interval for the mean amount of liquid per
bottle (in mL) in this production run?
Choose 1
505 +3.720
505 + 3.920
©
505 + 4.524
0
505 +4.612

Answers: 2

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