In a survey, out of all students, 53% sa...

In a survey, out of all students, 53% said 'No 20% said 'Yes' and the remaining said 'They could not decide' . If a student is chosen at random, what is the chance that the student did not say 'No'?

`15/100`

`43/100`

`47/100`

`57/100`

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