Comprehensive Probability Practice

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 letter is drawn randomly from the bag shown, what is the probability that it is N or R?

• 7%

• 47%

• 36%

• 50%

A bag contains 5 red marbles, 4 blue marbles and a green marble. If a marble is drawn at random from the bag, what is the probability that it is blue?

• 4

• 0.4%

• 40%

• 4%

What is the probability of spinning green or blue?

• 0%

• 60%

• 50%

• 75%

A die is rolled. What is the probability of rolling a 1 or a number greater than 3? (Reduce the fraction!)

• 67%

• 50%

• 87%

• 100%

The letters that form the word ALGEBRA are placed in a bowl. What is the probability of choosing a letter that is “A”? Round your answer to the nearest percent.

• 29%

• 17%

• 71%

• 96%