According to the British Medical Journal, the distribution of weights of newborn babies is approximately Normal, with a mean of 3390 grams and a standard deviation of 550 grams. Use a technology or a table to answer these questions. For each include an appropriately labeled and shaded Normal curve.

a. What is the probability at newborn baby will weigh more than 4000 grams?

b. What percentage of newborn babies weigh between 3000 and 4000 grams?

c. A baby is classified as “low birth weight” if the baby weighs less than 2500 grams at birth. What percentage of newborns would we expect to be “low birth weight”?