Weights of boxes of Brand Z cereal were found to be normally distributed with a mean of 17.0 ounces and a standard deviation of 0.4 ounces.
i) What percentage of boxes will weigh more than 17.5 ounces?
ii) What percentage of boxes will weigh between 16.5 and 17.5 ounces?
iii) What percentage of boxes will weigh less than 16.8 ounces?
iv) What percentage of boxes will weigh less than 16.5 ounces?
v) If the store has 500 boxes of cereal, how many of boxes will weigh less than 16.5 ounces?