According to National Vital Statistics, the average length of a newborn baby is 19.5 inches with a standard deviation of 0.9 inches. The distribution of lengths is approximately Normal. Use technology or a table to answer these questions. For each include an appropriately labeled and shaded Normal curve.

a. What is the probability that a newborn baby will have a length of 18 inches or less?

b. What percentage of newborn babies will be longer than 20 inches?

c. Baby clothes are sold in a “newborn” size that fits infants who are between 18 and 21 inches long. What percentage of newborn babies will not fit into the “newborn” size either because they are too long or too short?