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three different dice are rolled simultaneously three times.the probability that all of themn show different numbers only two times is equal to

goutham , 9 Years ago
Grade 12
anser 1 Answers
Vijay Mukati

Last Activity: 9 Years ago

Number of times the dices show same numbers = 6. Number of total outcomes = 6*6*6. probability of showing same number = 1/36 and probability of showing diff. numbers = 35/36. Required probability =3C2(35/36)2(1/36).

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