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Mathematics, 18.11.2019 17:31 juliana0122

Abiased die has a probability of 1/4 of showing a 5, while the probability of any of 1, 2, 3, 4, or 6 turning up is the same . if three such dice are rolled, what is the probability of getting a sum of at least 14 without getting a 6 on any die ?
option 1 : 5/24
option 2 : 9/160
option 3 : 1/30
option 4 : 7/160

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