Calculating the Probability using Z - score.
The fabulous filling machine for Fruit-o Flakes cereal fills boxes of cereal according to a normal distribution with a mean of 16.0 ounces and the standard deviation of 0.2 ounces.
a) How numerous ounces should they advertise on the box if they want to be sure that no more than 0.5 percent of the boxes are filled less than that advertised amount?
b) What percentage of the boxes will be filled more than 16.25 ounces?