A real number between 0 and 10 will be picked according to
the probability distribution shown in the figure.
Regions under the curve are labeled with A, B, C, and D. The area
of each region is shown in the table. (See picture)
A. Find the probability that a real number between 0 and 5 is picked.
B. Find the probability that a real number between 2 and 7 is picked.