Calculating Probability: Understanding Fractions, Decimals, and Percentages

This video tutorial explains how to calculate the probability of an event, using the example of selecting a green marble from a bag. It covers the probability continuum, common mistakes in converting between fractions, decimals, and percentages, and visualizing probabilities on a number line. The tutorial also demonstrates how to calculate the probability of an unknown event using algebraic methods, emphasizing the concept of making a sum of 1 for all possible outcomes.

Explain how to calculate the probability of an event using the sum of all possible outcomes.

What is the relationship between the probability of blue marbles and green marbles in the context of this lesson?