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Kayla rolls two number cubes numbered 1 to 6. What is the probability that the sum of the numbers rolled will be 5? A. 1/19 B. 1/9 C. 1/8 D. 1/6

Thanks in advance

User Vicco
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2 Answers

4 votes

Final answer:

The probability that the sum of the numbers rolled on two number cubes will be 5 is 1/9, as there are 4 favorable outcomes out of 36 possible combinations when rolling two dice.

Step-by-step explanation:

To calculate the probability that the sum of the numbers rolled on two number cubes will be 5, we need to consider all possible combinations of rolls that could result in a sum of 5. If we denote the number cubes as die A and die B, here are the possible combinations:

(1, 4)

(2, 3)

(3, 2)

(4, 1)

There are 4 favorable outcomes. Since each die has 6 faces, there are a total of 6 × 6 = 36 possible outcomes when rolling two dice. Therefore, the probability is 4/36, which simplifies to 1/9. The correct answer is B. 1/9.

User MathematicalOrchid
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It would be D. 1/6! If you rolled two dice that are 1 to 6 and you add the total of sides it would be 12 sides. Then you asked the probability of the two landing on 5s. That fraction would be 2/12 if you simpified that it would be 1/6.
User Tari
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