Question

a coin is tossed if it shows head we draw a ball from a back consisting of 3 red balls and 4 Black balls if it is shows a tail you throw a dice what is the sample space of this experiment what are the favourable cases representing the events (a)the throw of coin resulted in head (b)a red ball is drawn

Answer 1

a) No. of favourable out comes of head = 3+4 = 7 .
P( getting head ) = 7/7 = 1
b) No. of favourable out comes of red balls = 3
P( red balls ) = 3/7