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Screenshot_1336.png Two dice are thrown together The probability that sum of the numbers appearing on them is 9, if it is known that the number 5 always occurs on the first dice is :

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best_answer @Santosh the outcome on first dice is fixed, so you need 4 on the second dice to get sum 9,that's why the probability of getting 4 on a dice is 1/6.In a way you arr throwing one dice only and you need 4 in order to get sum=9.
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Anurag Uikey

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