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For the post of principal in school three persons A, B and C are candidates. Probability of their appointment is in ratio 4 : 2 : 3. If school time will changes to morning then probability of the appointment of candidate will be 0.3, 0.5 and 0.8 respectively. Then find probability of an event that school time changes to morning. |
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Answer» `(21)/(45)` |
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