12) Provide an appropriate response. Assume that the variable under consideration has a density curve.

The area under the density curve that lies to the right of 16 is 0.536. What percentage of all possible observations of the variable are at most 16?

13) A bottler of drinking water fills plastic bottles with a mean volume of 1007 milliliters (mL) and standard deviation 6ml The fill volumes are normally distributed. What proportion of bottles have volumes greater than 1011 ml?