56% of families had no children under the age of 18;17% had no child;18% had two children;6% had three children; and 3% had four or more children

56% of families had no children under the age of 18;17% had no child;18% had two children;6% had three children; and 3% had four or more children. If a family is selected at random, find the probabilty that the family has less than three children(express your answer in percent form).