:2. A number is drawn at random from a box. There is a 25%
chance for it to be 20 or less. There is a 15% chance for it to
be 60 or more. The chance for it to be bigger than 20 but less
than 60 is
a. 20%

b. 70%
c. 40%

d. cannot be determined with the information given

e. can be determined with the information given, but the
right answer is not 20%, 40%, or 70%.