The video tutorial covers solving word problems related to student ages and explains mutually exclusive events. It demonstrates how to calculate probabilities for these events using a simple formula. The teacher emphasizes understanding the concept of mutually exclusive events and applying the correct formula to find the probability of either event occurring.

What percentage of students are over 17 years old?

• 4%

• 62%

• 58%

• 66%

Which of the following best describes mutually exclusive events?

• Events that have no probability

• Events that are dependent on each other

• Events that cannot happen at the same time

• Events that can happen at the same time

What is the formula for calculating the probability of mutually exclusive events?

• P(A) * P(B)

• P(A) + P(B)

• P(A) / P(B)

• P(A) - P(B)

If 62% of students are over 17 and 4% are over 18, what is the probability of a student being under 17 or over 18?

• 66%

• 62%

• 4%

• 58%

What should you do if events are not mutually exclusive when calculating probability?

• Multiply the probabilities

• Add the probabilities

• Subtract the probabilities

• Add the probabilities and subtract the overlap