Statistics and Probability: JEE Main 2013 Mathematics question

JEE Main 2013 · Session, Shift 1 · Q4873

JEE Main 2013Session, Shift 1MathematicsMediumStatistics and Probability258× since 2002

A multiple choice examination has

5

questions. Each question has three alternative answers of which exactly one is correct. The probability that a student will get

4

or more correct answers just by guessing is :

JEE Main 2013 · Session, Shift 1 · Q4873

JEE Main 2013Session, Shift 1MathematicsMediumStatistics and Probability258× since 2002

A multiple choice examination has

5

questions. Each question has three alternative answers of which exactly one is correct. The probability that a student will get

4

or more correct answers just by guessing is :

More on Statistics and Probability