Question 13Blood groupNumber of studentsA9B6AB3O12Total30The above frequency distribution table represents the blood groups of 30 students of a class. Use this table to determine the probability that a student of this class, selected at random, has blood group AB.

Question 13Blood groupNumber of studentsA9B6AB3O12Total30The above fre

1.	Question 13Blood groupNumber of studentsA9B6AB3O12Total30The above frequency distribution table represents the blood groups of 30 students of a class. Use this table to determine the probability that a student of this class, selected at random, has blood group AB.
Answer» Question 13 $\begin{matrix} Blood group & Number of students A & 9 B & 6 AB & 3 O & 12 Total & 30 \end{matrix}$ The above frequency distribution table represents the blood groups of 30 students of a class. Use this table to determine the probability that a student of this class, selected at random, has blood group AB.