Weights of newborn babies are normally distributed with a mean of 7.2 pounds and a standard deviation of 1.3 pounds. Use this information to find the following:

a) The z-score of a newborn baby who is 6.2 pounds

b) the probability that a newborn baby will be less than 6.2 pounds

c) the z-score of a newborn baby who is 9 pounds

d) the probability that a newborn baby will be more than 9 pounds

e) the probability that a newborn baby will be between 6.2 pounds and 9 pounds)