Verify that F_W (t) defined below is a distribution function and specify the probability mass function for W. Compute P( 3< W ≤ 5 ) .

0  ,         t<3 1/3 ,    3≤ t< 4 Fw(t)=    1/2 ,     4≤ t<6 2/3 ,     6≤ t<7

 














http://www.bilkent.edu.tr/~math250/Solution%20set2.pdf