Question

The Blood group of some student of class 9
were seweyed and recorded as below:
Blood group
A
19
В
GO
AB
13
No. of students
if a student is chosen at random find
the Probality that he/she has blood
group
A
a
b
AB​

Answer 1

answer:

A- 9.5

a- 9.5

b- 6.5

a-6. 5