-->

Introduction To Mathematical Modelling

Question
CBSEENMA9004099

 In a blood test the following blood groups were recorded:

Blood group

No. of students

A

10

AB

15

B

11

O

3

A student is selected at random from the class. The probability that student has blood grou  ‘AB’ is:

  • 5 over 13
  • 7 over 13
  • 8 over 13
  • 6 over 13

Solution

A.

5 over 13