Question

the blood group of students of class10 are recorded that A blood group have 22 students , B have 38 AB have 25 and O have 35if a student is chosen randomly find the probability that he/she has A blood group

Answer 1

probability =no of times event occur/total outcomes
so,p=22/[22+38+25+35]
=22/120=11/60

so probability=11/60