Probability Problems and Solutions

This video tutorial introduces the concept of probability, explaining how to calculate it using the formula: number of favorable cases divided by the total number of equally likely cases. Through various examples involving coin tosses, dice rolls, and colored balls, the video demonstrates how to find probabilities for different outcomes. It covers basic and advanced scenarios, emphasizing that probability ranges from 0 (impossible event) to 1 (certain event). The tutorial concludes with a summary of key concepts and encourages viewers to take a quiz for further learning.

What is the formula for calculating probability?

• Number of possible outcomes divided by number of favorable cases

• Number of favorable cases divided by total number of possible outcomes

• Number of favorable cases multiplied by total number of possible outcomes

• Total number of possible outcomes minus number of favorable cases

If a coin is tossed, what is the probability of getting heads?

• 1/3

• 1/2

• 1/4

• 2/3

When tossing a coin, what is the probability of getting tails?

• 2/3

• 1/4

• 1/3

• 1/2

What is the probability of rolling a 2 on a standard dice?

• 1/4

• 1/2

• 1/3

• 1/6

What is the probability of rolling an odd number on a dice?

• 1/3

• 1/6

• 2/3

• 1/2

What is the probability of rolling a 2 or 5 on a dice?

• 1/3

• 1/6

• 2/3

• 1/2

In a bag with 5 red and 2 blue balls, what is the probability of drawing a red ball?

• 5/7

• 3/7

• 2/7

• 1/2

In a bag with 5 red and 2 blue balls, what is the probability of drawing a blue ball?

• 5/7

• 3/7

• 2/7

• 1/2

In a bag with 2 black, 4 red, and 6 blue balls, what is the probability of drawing a black ball?

• 1/2

• 1/4

• 1/3

• 1/6

In a bag with 2 black, 4 red, and 6 blue balls, what is the probability of drawing a red ball?

• 1/3

• 1/4

• 1/6

• 1/2