The San Francisco Supply Company has designed a machine that fills containers of coffee in such a way that the contents are uniformly distributed with a minimum of 11.8 oz and maximum 12.2 oz. If one container is randomly selected find the probability that the amount of coffee is
a. less than 12.0 oz
b. between 11.2 oz and 12.7 oz
c. greater than 12.2 oz
d. between 11.9 oz and 12.0 oz