Question

The grades obtained by 30 students of class VII are
as follows:
A+, B+, A, B, A, B+, A, B, B, B+, A, A, A, B, B+,
A, A, B, B, A, A, A+, A, B, B+, B, B+, A+, A+, A
If a student has been selected at random, then find
the probability that he has obtained grade A.
A. 7/10
B. 7/30
C. 9/10
D. 3/10​

Answer 1

Answer:

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Answer 2

Sorry, i solved but im not getting the correct one