According to American Red Cross, out of every 100 people in United States, blood types and Rh factors happen at rates given in table.
| Blood Type |
O+ |
O- |
A+ |
A- |
B+ |
B- |
AB+ |
AB- |
| Occurrence |
36 |
7 |
30 |
6 |
15 |
2 |
3 |
1 |
i) Of all people in United States who have type B blood, find what percent are Rh positive?
ii) Of all people in United States who have type B blood, find what percent are Rh negative?