Question

for three persons A B C the chances of being selected as a manager of a firm are in the ratio of 4:1:2 respectively . The respective probability for them to introduce a radical change in marketing strategy are 0.3 0.8 0.5 .If the change does take place then find the probability that it is due to the appointment of B or C

Answer 1

B,s probability=4/9 C,s probability =5/9