In a medical examination of students of a class, the following blood groups are recorded: | ||||
Blood group | A | B | O | AB |
No. of students | 35 | 28 | 19 | 13 |
A student is selected at random from the class. The probability that he/ she has blood group other than ?O? is _______ |
A) \[\frac{1}{5}\]
B) \[\frac{7}{19}\]
C) \[\frac{13}{95}\]
D) \[\frac{4}{5}\]
E) None of these
Correct Answer: D
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