1.

A box has 4 dice in it. 4 of them are fair and one of them is marked with 5 on all its faces. A dice chosen at random and rolled thrice shows 5 on all the occasions. The probability that the die chosen was a biased one is?

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A box has 4 dice in it. 4 of them are fair and one of them is marked with 5 on all its faces. A dice chosen at random and rolled thrice shows 5 on all the occasions. The probability that the die chosen was a biased one is?




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