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  3. you measured the moisture content of 16 tubes of a...

Question: you measured the moisture content of 16 tubes of a...

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You measured the moisture content of 16 tubes of a cosmetic product that your company had recently developed. The 16 tubes were selected at random from a large shipment. The results are given in the table below. What is the range of moisture content that 95% of the tubes are expected to have? What is the estimate of the true mean moisture content for your shipment (P 95%)? The mean moisture content for this product should be 10%. Based on your measurements, does your product meet the specification with 95% confidence? Your company desire to reduce the confidence interval for the average of the moisture content to 0.1% (P-95%). Assuming the standard deviation remains unchanged, what is the minimum number of tubes you must measure to achieve a confidence interval of 0.1% (P-95%). (10 marks) 1. Moisture Content(%) 9.4 10.2 10.3 9.0 10.5 10.3 10.5 9.5 9.5 9.8 9.9 10.1 10.1 9.9 9.7 9.5

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