0 votes 0 votes If the marks obtained by the students in a competitive exam follows normal distribution with mean value 50 and variance 10. If the passing marks is 40 then percentage of failed students is ____% Manan Shah asked Dec 20, 2018 Manan Shah 326 views answer comment Share Follow See all 6 Comments See all 6 6 Comments reply Show 3 previous comments Manan Shah commented Dec 20, 2018 reply Follow Share Seems like right I think @Satbir 0 votes 0 votes Mk Utkarsh commented Dec 20, 2018 reply Follow Share Manan Shah please recheck if variance is 10 or standard deviation 0 votes 0 votes Manan Shah commented Dec 20, 2018 reply Follow Share Already checked variance=10 given. It may be error @Mk Utkarsh 0 votes 0 votes Please log in or register to add a comment.