he contents of soft drink bottles are normally distributed with a mean of twelve ounces and a standard deviation of one ounce.

a. What is the probability that a randomly selected bottle will contain more than ten ounces of soft drink?




b. What is the probability that a randomly selected bottle will contain between 9.5 and 11 ounces?




c. What percentage of the bottles will contain less than 10.5 ounces of soft drink?