Similar question - There is a deadly disease which affects 1 in 100 people. A lab test can correctly identify positive cases
99% of the time and correctly identify negative cases 95% of the time. A randomly selected person
tests positive. What’s the probability that they have the disease
In our room, invigilator insisted writing OMR answers with pen, and not with pencil. All of us said it's written that pencil is to be used. But he said univrsity instructed them. So we had to write with pen. Will that be a problem? Anyone else faced this?