Probability on Tossing Two Dice

If a standard 6-sided die is rolled twice, what sum of the 2 rolls is most likely to result?

• 3

• 5

• 7

• None of the available options.

If a standard 6-sided die is rolled twice, what is the probability that the sum of the 2 rolls is 4?

• 1/2

• 1/3

• 1/4

• None of the available options.

If a standard 6-sided die is rolled twice, what is the probability that the sum of the 2 rolls is less than 5?

• 1/2

• 1/4

• 1/6

• None of the available options.

If a standard 6-sided die is rolled twice, what is the probability that the sum of the 2 rolls is not a prime number?

• 5/12

• 7/12

• 9/12

• None of the available optionsl

If a standard 6-sided die is rolled twice, what is the probability that the same number will be rolled both times?

• 1/2

• 1/4

• 1/6

• None of the available options.

If a fair 6-sided die is rolled twice, what is the probability that the difference between the two rolls is exactly 2? Give your answer as a simplified fraction in the form a/b.

If three fair dice are rolled, what is the probability that the sum of the three numbers is 4? Give your answer as a simplified fraction a/b.