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5/11 Adv. Alg /Trig Bell Ringer

5/11 Adv. Alg /Trig Bell Ringer. You roll three dice one time. How many total possible outcomes for this situation? HINT: Use Fundamental Counting Principle. HOMEWORK: Finish Today’s Independent Practice. 5/11 News and Notes. Perfection : 2 nd Period Review Tomorrow Quiz Friday.

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5/11 Adv. Alg /Trig Bell Ringer

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  1. 5/11 Adv. Alg/Trig Bell Ringer You roll three dice one time. How many total possible outcomes for this situation? HINT: Use Fundamental Counting Principle. HOMEWORK: Finish Today’s Independent Practice

  2. 5/11 News and Notes • Perfection: 2nd Period • Review Tomorrow • Quiz Friday

  3. Today’s Goal • YESTERDAY: Use tree diagrams to determine sample space. • TODAY: Calculate probability of compound events using tree diagrams

  4. Quick Review from Yesterday – HW #2 • A pair of dice is rolled once. How many possible outcomes are there? Dice 1 = 6 outcomes Dice 2 = 6 outcomes Together = 6 x 6 = 36 TOTAL OUTCOMES

  5. Yesterday is Step 1 of Today. • Step 1: Determine Total Possible Outcomes So, we have 36 total outcomes. Today’s additional question: What’s the probability that you roll doubles? • Step 2: Determine # of events that satisfy your desired outcome.

  6. How many doubles are there? • {1,1; 2,2; 3,3; 4,4; 5,5; 6,6} = 6 DESIRED OUTCOMES • Step 3: Calculate desired probability  “desired/total possible” = 6 / 36 = 0.1666667

  7. Example 2 • What’s the probability that your meal includes meat?

  8. Total Outcomes = 18 • Desired outcomes = 12 • P(Meat) = 12 / 18 = 0.67

  9. Guided Practice • Finish your paper from yesterday by answering the following questions: 1. What is the probability thata baby girl will have a name (first or middle) where the last letter is E or A? 2. What is the probability that your child’s name will have an E as the first letter of one of the names?

  10. Exit Ticket – Sit quietly for credit A fair coin is tossed 3 times. What is the probability of you getting exactly 2 heads? • 0.25 • 0.125 • 0.325 • 0.67 HOMEWORK: Finish Today’s Independent Practice

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