Question

In a medical examination of students of a class of 40 students, the following blood groups were recorded :
(1) BIO
Blood group А | АВ во
Number of Students 15 12 3 10
A student is selected at random from the class. Find the probability that the student has the blood group
(1)
AB
(i)
either B or 0.
​

Answer 1

Answer:

1\40

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