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Q.

The following table shows the blood groups of 40 students of a class. One student of the class is chosen at random. The probability that the chosen student has blood group O is ____.


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Detailed Solution

The following table shows the blood groups of 40 students of a class. One student of the class is chosen at random. The probability that the chosen student has blood group O is 0.35.
Question ImageGiven the blood groups of 40 students of a class.
Number of students having blood group O = 14
And, total number of outcome = 40
Now, the probability that the chosen student has blood group O is,
= Number of students having blood group O Total number of outcomes = 14 40
= 7 20 =0.35
Hence, the probability is 0.35.
 
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