Which error tolerance requires a larger sample size?

Oct 17th, 2015
HelloWorld
Category:
Mathematics
Price: \$10 USD

Question description

A beverage company uses a machine to fill 1 liter bottles with water. Assume that the population of volumes is normally distributed. (a) The company wants to estimate that the mean volume of water the machine is putting in the bottle is within 1 ml. Determine the minimum sample size required to construct a 95% confidence interval for the population mean. Assume the population standard deviation is 4 ml. (b) Repeat part (a) using an error tolerance of 3 ml. Which error tolerance requires a larger sample size?

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Oct 17th, 2015
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