Probability - Ball Experiment - Problem Solving

The video tutorial explains how to solve a probability problem involving a bag of colored balls. The problem requires calculating the probability of drawing a red or green ball, a ball that is not black, and a ball that is neither green nor black. The tutorial walks through the steps of understanding the problem, applying the theoretical probability formula, and performing calculations to find the required probabilities.

What is the total number of balls in the bag?

• 14

• 16

• 18

• 20

How do you calculate the probability of drawing a red or green ball?

• Add the probabilities of drawing a red and a black ball

• Add the probabilities of drawing a red and a green ball

• Subtract the probability of drawing a black ball from 1

• Multiply the probabilities of drawing a red and a green ball

What is the simplified probability of drawing a red or green ball?

• 1/2

• 2/3

• 5/9

• 7/9

Which method is used to find the probability of not drawing a black ball?

• Adding probabilities

• Using total probability and subtraction

• Multiplying probabilities

• Dividing probabilities

What is the probability of not drawing a black ball?

• 7/9

• 1/3

• 2/9

• 5/9

How do you find the probability of drawing neither a green nor a black ball?

• Add the probabilities of drawing a green and a black ball

• Subtract the combined probability of drawing a green or black ball from 1

• Multiply the probabilities of drawing a green and a black ball

• Divide the probability of drawing a red ball by the total probability

What is the probability of drawing neither a green nor a black ball?

• 4/9

• 5/9

• 2/3

• 1/3