Lesson: Probability of Simple Events Mathematics • Middle School • Grade 7Mathematics
In this lesson, we will learn how to find the probability of a simple event and write it as a fraction.
Sample Question Videos
A bag contains 7 white marbles, 8 black marbles, and 7 red marbles. If a marble is chosen at random from the bag, what is the probability that it is white?
A box contains 7 white balls, 3 black balls, and 8 red balls. What is the probability that a ball drawn at random is black?
A card is selected at random from a pack of 16 cards which are numbered 1 to 16. What is the probability of the selected card having an even number?