The label on a “two liter” bottle of soft drink indicates that
it is supposed to contain 2000 milliliters (ml). However, there is
some variation due to the production process; this process is known
to be normally distributed with a standard deviation of 20 ml. A
government inspector wants to ensure that the public is not cheated
by purchasing underfilled containers. A random sample of nine
containers was selected; the measurement results were: 1995, 1960,
2005, 2008, 1997, 1992, 1986,...