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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


B,s probability=4/9 C,s probability =5/9
0 0 0
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