Probability Skills

What is the probability of rolling a 5 on a fair six-sided die?

• 1/5

• 1/4

• 1/6

• 1/3

If you flip a coin twice, what is the probability of getting heads both times?

• 1/2

• 1/3

• 1/5

• 1/4

A bag contains 4 red marbles, 3 blue marbles, and 2 green marbles. What is the probability of drawing a blue marble?

• 2/9

• 1/4

• 3/5

• 1/3

If the probability of rain on any given day is 0.3, what is the probability of no rain for 3 consecutive days?

• 0.343

• 0.09

• 0.27

• 0.45

If you have a standard deck of 52 cards, what is the probability of drawing a heart and then a spade?

• 1/13

• 1/4

• 13/204

• 13/52

In a group of 5 students, how many ways can you choose a president, vice president, and treasurer?

• 120

• 60

• 30

• 10

If you have 8 different books and you want to arrange them on a shelf, how many different ways can you do this?

• 40,320

• 720

• 40320

• 56

A box contains 6 red balls, 4 blue balls, and 5 green balls. What is the probability of drawing a red ball and then a green ball without replacement?

• 3/12

• 2/11

• 1/7

• 1/10

If the probability of winning a game is 0.4, what is the probability of losing 3 games in a row?

• 0.4

• 0.12

• 0.64

• 0.216

In a class of 30 students, how many ways can you choose a group of 5 students to work on a project together?

• 142506

• 720

• 120

• 30240