We Record the Blood Types (O,A,B,or AB)found in a Group

We record the blood types (O,A,B,or AB) found in a group of 100 people.Assume that the people are unrelated to each other.

A) Yes.
B) No.The chance of getting a particular blood group changes from one person to the next.
C) No.More than two outcomes are possible.
D) No,400 is more than 10% of the population.
E) No.The chance of getting a particular blood group depends on the blood groups already recorded.