A quality assurance technician has checked fifteen 2-liter ...

[tfester]

A quality assurance technician has checked fifteen 2-liter bottles of a soft drink finding a 99 confidence interval of 1950 ml to 2025 ml for the mean fill volume. Which of the following is true?
 
  A) The sample indicates that the population mean lies between 1950 and 2025 ml.
  B) There is a 99 likelihood that the bottles are being under-filled so the bottling process should be stopped.
  C) The technician should recalculate at a 95 confidence interval.
  D) The sample indicates that the sample mean lies closer to 2 liters than not.

Question 2

Stratified random sampling is the same thing as simple random sampling.
 
  Indicate whether the statement is true or false

[fur]

Answer to Question 1

A

Answer to Question 2

FALSE