A random variable X has the following distribution .

The value of k and `P ( X lt 4)` are equal to

Options

A. `k = (1)/(10) , P ( X lt 4) = (3)/(7)`
B. ` k = (1)/(10) , P (X lt 4) = (3)/(5)`
C. `k = (3)/(10) , P (X lt 4 ) = (2)/(7)`
D. `k = (1)/(24) , P ( X lt 4) = (2)/(9)`

Answer

B