The probability of choosing randomly a number c from the set {1,2,3,......,9} such that the quadratic equation $x^2+4x+c=0$ has real roots is :

Question

\[\begin {array} {1 1} (1)\;\frac{1}{9} & \quad (2)\;\frac{2}{9} \\ (3)\;\frac{3}{9} & \quad (4)\;\frac{4}{9} \end {array}\]