Compound Events
Grade 7 · Math · Probability and Statistics · Pennsylvania, USA
Lesson Summary
Find the probability of two or more events happening together.
Explanation
A compound event combines two or more simple events. If the events are independent (one does not affect the other), multiply their probabilities: P(A and B) = P(A) × P(B). For example, the probability of flipping two heads in a row is 1/2 × 1/2 = 1/4. You can also use organized lists, tree diagrams, or tables to count all possible outcomes and find the probability you need.
Practice Questions
Q1: You spin a spinner with 3 equal sections (red, blue, yellow) and flip a coin. What is the probability of getting blue and heads?
Answer: P(blue) = 1/3, P(heads) = 1/2. P(blue and heads) = 1/3 × 1/2 = 1/6.
Q2: You roll two dice. How many total outcomes are possible?
Answer: 6 × 6 = 36 total outcomes.
Q3: You roll two dice. What is the probability that both show a 6?
Answer: P(6 and 6) = 1/6 × 1/6 = 1/36.
People Also Ask
What is Compound Events in Grade 7 Math?+
Compound Events is a lesson in the Probability and Statistics chapter of Grade 7 Math. It is part of the Pennsylvania, USA school curriculum and covers key concepts that students need to understand at this level.
What grade level covers Compound Events?+
Compound Events is taught in Grade 7 as part of the Math curriculum in Pennsylvania, USA.
How can I help my child with Probability and Statistics in Math?+
Start with the lesson summary and explanation on this page. Practice the questions provided, then use TutorTom for personalized, step-by-step help with Probability and Statistics topics.