Question

There is a bag filled with 3 blue and 5 red marbles. A marble is taken at random from the bag, the color is noted and then it is replaced. Another marble is taken at random. What is the probability of getting 2 of the same colour?​

Answer 1

sample space of both marrble ball =BR ,BB ,RR ,RB

so p(e) = 2/8= 1/4