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Question

The percentage of attandance of different class in a year in a school is given below:

ClassXIXVIIIVIIVIVAttendance306285927655

What is the probability that the class attendence is more than 75%?

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Solution

Percentage of attendance of different classes

ClassXIXVIIIVIIVIVAttendance306285927655

Total attendance more than 75% (m) =VIII,VII and VI =3 classes and total number of classes(n)=6

Probability P(A) 36=12


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