The video tutorial covers various probability concepts using practical examples. It starts with basic probability calculations using marbles, then explores reverse probability with student returns, and card probabilities with a deck of cards. The tutorial also delves into game probabilities involving marbles and dice, geometric probability with shaded regions, and the likelihood of answering all questions correctly in a multiple-choice test. Finally, it discusses the probability of winning carnival games, emphasizing the importance of understanding probability in different contexts.

What is the total number of marbles in the bag?

• 30

• 10

• 15

• 28

What is the probability of selecting a maroon marble?

• 0/28

• 3/28

• 10/28

• 15/28

What is the probability of not selecting a red marble?

• 1/2

• 9/14

• 10/28

• 18/28

What is the probability of selecting a green marble?

• 10/28

• 0/28

• 3/28

• 15/28

What is the probability of selecting a blue marble?

• 3/28

• 10/28

• 15/28

• 0/28

If 3 out of 4 students return, how many students are expected to return out of 128?

• 32

• 128

• 100

• 96

What is the probability of drawing two diamonds from a deck with replacement?

• 1/52

• 1/4

• 1/13

• 1/16

In a game, what is the probability of picking a red marble and rolling an even number?

• 35/99

• 7/9

• 1/2

• 5/11

What is the probability of picking a red marble or rolling an even number?

• 1/2

• 5/11

• 29/33

• 7/9

What is the probability of a point being in the shaded region?

• 17/20

• 1/2

• 3/4

• 1/4