1.What is the probability of rolling dice twice and getting a 4 and then a 7? Are these independent or dependent? 2.If you choose two cards from a deck, what is the probability of choosing a jack and then a queen without replacing the first card? Are these independent or dependent? Do Now Answer the following in your notebook: JOKE of the DAY What do you call it when a dinosaur crashes his car?

Do Now JOKE of the DAY Why did the cookie go to the hospital? Take out homework, then answer the following in your notebook: Use the spinner to answer the questions. 1.What is the probability of getting an A or a B? 2.What is the probability of not getting a C? 3.What is the probability of not getting an A or E?

Agenda Do Now/ Hook: 5 min Notes: 10 – 15 min Guided Practice: 25 min Clean Up: 5 min We are a TEAM of CONFIDENT PROBLEM SOLVERS & EFFECTIVE COMMUNICATORS 2 minutes

Announcements HW Due Thursday Probability Quiz Thursday Test Friday SMI Tomorrow Tutoring Sign Ups Tickets & Auction FRIDAY We are a TEAM of CONFIDENT PROBLEM SOLVERS & EFFECTIVE COMMUNICATORS 2 minutes

Independent Event The outcome of one event does not affect the outcome of the other. – WITH replacing an item

Dependent Event The outcome of one event affects the outcome of the other. – WITHOUT replacing an item

Compound (AND) Probability How likely two events are to occur. – Example: What is the probability of rolling a 2 and then rolling a 5

Example 1 What is the probability of flipping a coin twice and it landing on heads both times? Method 1: List all the possible outcomes Method 2: Multiply each probability together

Example 2 What is the probability of getting a red marble and then getting a blue marble if you replace the red marble first? Are these independent events or dependent events?

Example 3 What is the probability of getting a red marble and then getting a blue marble if you do not replace the red marble first? Are these independent events or dependent events?

Example 4 What is the probability of rolling a 2 and then rolling a 5 on a dice? Are these independent or dependent events?

Guided Practice Take a whiteboard and marker Complete each question  show your work 1 point for each correct answer Person who has the most points wins 6 tickets Lose points for not showing work or talking or drawing while we are going over the answer or

Question 1 Are these independent or dependent events?

Question 2 A. B. C. D Are these independent or dependent events?

Question 3 A. B. C. D Are these independent or dependent events?

Question 4 What is the probability of spinning the spinner twice and it landing on A then C? A.6/12 B.5/12 C.6/144 D.5/144 Are these independent or dependent events?

Question 5 If you choose two marbles, what is the probability of getting a black on first and a striped one second? A.1/6 B.3/36 C.3/30 D.4/6 Are these independent or dependent events?