Understanding Probability Concepts

The video tutorial covers the concept of probability, focusing on different types of events: certain, random, and impossible. It explains how to identify these events and describes the outcomes of experiments. The tutorial also discusses fair and unfair objects used in probability experiments, providing examples and exercises to reinforce learning. The lesson concludes with a reminder of the importance of practicing probability questions for exams.

What is the likelihood of an event that is certain to happen?

• 0%

• 100%

• 50%

• 25%

Which of the following is an example of a certain event?

• The sun rising in the east

• Rain tomorrow

• A coin landing heads

• Winning a lottery

What do we call events that cannot be predicted with certainty?

• Certain events

• Definite events

• Random events

• Impossible events

Which of the following is an impossible event?

• A bus leaving on time

• The sun setting in the west

• A coin landing heads

• A stone floating on water

What is the probability of getting a head when tossing a fair coin?

• 0.5

• 0

• 1

• 0.25

If a die is fair, what is the probability of rolling a 3?

• 1

• 1/6

• 1/3

• 1/2

Which of the following objects is considered fair?

• A regular tetrahedral die

• A coconut shell

• A biased coin

• A loaded die

What is the probability of drawing a red marble from a box containing one marble of each color: red, blue, green, yellow, and black?

• 1/2

• 1/5

• 1/4

• 1/3

In a bag with cards labeled G1, G2, G3, R1, R2, R3, what is the probability of drawing a green card?

• 1/6

• 1/2

• 1

• 1/3

Which of the following is a biased object?

• A loaded die

• A regular die

• A fair coin

• A regular tetrahedron