Theoretical Simple Probability

If a jar contains 4 yellow, 5 blue, and 6 red jellybeans, and one jellybean is picked at random, what is the probability that it is not blue?

• 10/15

• 6/15

• 5/15

• 4/15

A box contains 7 blue pens, 3 red pens, and 5 green pens. If a pen is chosen at random, what is the probability of choosing a pen that is not red?

• 12/15

• 5/15

• 3/15

• 7/15

If a fair six-sided die is rolled one time, what is the probability of rolling a 4?

• 1/6

• 1/4

• 1/2

• 1/3

A deck of cards has 52 cards divided into 4 suits: spades, hearts, diamonds, and clubs. Each suit has 13 cards (Ace through King). What is the probability of drawing a card that is an Ace?

• 4/52

• 13/52

• 5/52

• 1/52

A bag contains 5 green, 3 blue, and 2 red marbles. If a marble is drawn at random, what is the probability it is green?

• 5/10

• 2/10

• 3/19

• 2/5

In a bag of 10 marbles, where 2 are red and the rest are blue, what is the probability of drawing a red marble?

• 1/5

• 1/2

• 8/10

• 3/10

What is the probability of flipping a coin and it landing on heads?

• 50%
• 66%
• 25%
• 75%

A bag contains 8 orange, 7 purple, and 5 green candies. If a candy is picked at random, what is the probability it is red?

• 0/20

• 15/20

• 5/20

• 7/20

A spinner is divided into 8 equal sections numbered from 1 to 8. What is the probability of the spinner landing on an even number?

• 4/8

• 3/8

• 2/8

• 5/8

If a jar contains 2 red, 3 blue, and 5 green marbles, what is the probability of drawing a blue marble?

• 3/10

• 1/4

• 1/2

• 2/5