10-03-2020
Mathematics

contestada

two number cubes are rolled 3 times in a row. what is the probability of rolling a sum of 9 all three times?

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10-03-2020

Answer:

1/216 or 1:216 or about .5%

Step-by-step explanation:

Each roll has a 1/6th chance of being a nine. Roll the dice three times, and you get

1/6 × 1/6 × 1/6

simplify it down to

1/36 × 1/6

solve to get the answer of

1/216

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