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Mr. A is known to speak truth 3 out of 4 times and Mr. B speaks truth 4 out of 5 times. A pair of dice is thrown. Both reported that the result (sum of the numbers) is 9. Then the probability that the result is actually 9 is: |
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Answer» Mr. A is known to speak truth 3 out of 4 times and Mr. B speaks truth 4 out of 5 times. A pair of dice is thrown. Both reported that the result (sum of the numbers) is 9. Then the probability that the result is actually 9 is: |
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