Question

A bag contains five White ,seven blue and eight red balls .a ball is drawn at random ,find the probability of getting red ball.

Answer 1

1) P (red or white)=no.of red+ white/total no. Of balls =13/20

2) P (not black) = 1-P (black) =1-7/20 =13/20

3) P (neither white nor black)= P (red) =5/20