The Probability distribution of a random variable X is given as : X: 0 1 2 3 4 P(X): K 2K 4K 5K 7K The mean of the distribution is :

$\frac{23}{19}$ $\frac{3}{2}$ $\frac{33}{17}$ $\frac{53}{19}$

$\frac{53}{19}$