Question

A bag contains 8 red and 5 white balls. three balls are selected successively with replacement and without replacement. find the probability that: 


i. three white balls are selected with replacement. (5 marks) 


ii. three red balls are selected without replacement.

Answer 1

i--->
no of white ball=5
no of red ball=8
total ball=8+5=13
p(a)=favorable event/total event
=5/13
ii----->
8/13