Refer to the Venn diagram depicted in Figure 2.28. a. For a typical group of 100 Am...

Refer to the Venn diagram depicted in Figure 2.28.

a. For a typical group of 100 Americans, fill in the cardinal number of each region in the diagram.

b. In a group of 100 Americans, how many have type O blood or are Rh+?

c. In a group of 100 Americans, how many have type O blood and are Rh+?

d. In a group of 100 Americans, how many have neither type O blood nor are Rh+?

(Reference Figure 2.28)