Conditional Probability

The video tutorial explains how to calculate the probability of obtaining an odd total when selecting three counters from a bag of eight. It covers the initial setup, the reduction of the denominator as counters are selected, and the calculation of probabilities for different combinations of odd and even counters. The tutorial concludes with a final probability calculation and a discussion on the marks allocation for the problem.

How many counters are there in the bag?

Explain how the denominator changes as counters are taken from the bag.

What is the total number of odd counters in the bag?

What is the probability of selecting three odd counters consecutively?

List the different combinations that can result in an odd total.

How do you calculate the total probability of getting an odd total from the combinations?

What is the final probability of obtaining an odd total from the selected counters?