nr200206 nr200206

12-06-2020
Mathematics

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two regular six-sided dice are rolled. what is the probability that the sum will be at least 9?

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joannamrema17 joannamrema17

12-06-2020

Answer:

The possible numbers when two dice are rolled is 2-12incusive

Of these only 4 and 9 are perfect squares

The probability 4 is rolled is 3/36

The probability that a 9 is rolled is 4/36

So p(4 or 9)

3/36 + 4/36

= 7/36

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