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26.1 Theoretical Probability p. 580

26.1 Theoretical Probability p. 580. Glossary. Introduction : Quick Review Objective : To write theoretical probability of an event Vocab : outcome = one possible outcome sample space = set of ALL possible outcomes

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26.1 Theoretical Probability p. 580

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  1. 26.1Theoretical Probabilityp. 580 Glossary • Introduction: • Quick Review • Objective:To write theoretical probability of an event • Vocab: • outcome= one possible outcome • sample space= set of ALL possible outcomes • theoretical probability= P, number of FAVORABLE to POSSIBLE results: P (event) = number of favorable outcomes/number of possible outcomes

  2. Guided Instruction: • Example 5: Finding the probability of an event - Suppose you have a number cube labeled 3, 6, 9, 12, 15, 18. Find each probability and the P(not 12) and write as a fraction, decimal and %. • P (Number divisible by 3): • P (12): • P (not 12) • Josh played in ____ games.

  3. 26.3Oddsp. 586 Glossary • Introduction: • Quick Review • Objective:To write odds in favor and against an event • Vocab: • odds in favor of an event= one possible outcome • odds against an event= set of ALL possible outcomes

  4. Guided Instruction: • Example 2: Finding the odds in favor/against an event • BOOKKEEPER • A. Odds in FAVOR of choosing O(favorable 2, unfavorable 8) = • ___/___, _____ to _____, or _____ : ______ • B. Odds AGAINST choosing K or P(unfavorable 7, favorable 3) = • ___/___, _____ to _____, or _____ : ______ • ___/___, _____ to _____, or _____ : ______

  5. 26.5experimental probabilityp. 590 Glossary • Introduction: • Quick Review • Objective:To write odds in favor and against an event • Vocab: • experimental probability= number of times a favorable outcome actually occurs compared w/ the total number of times you do an activity: experimental probability = number of favorable outcomes that occur/total number of trials

  6. Guided Instruction: • Example 1: Finding the experimental probability of an event • Green (2), Red (10), Yellow (13) • P (green) = 2/25, .08, 8% • P (red) = 10/25=2/5, .40, 40% • P (yellow) = 13/25, .52, 52% • Theoretical Probability?? Pablo had 10 green __________, 50 red __________, and 40 yellow_____________

  7. RECAP: Match the vocab word with its definition • one possible outcome • set of ALL possible outcomes • one possible outcome • number of times a favorable outcome actually occurs compared w/ the total number of times you do an activity: experimental probability = number of favorable outcomes that occur/total number of trials • set of ALL possible outcomes • P, number of FAVORABLE to POSSIBLE results: P (event) = number of favorable outcomes/number of possible outcomes • outcome • odds in favor of an event • sample space • experimental probability • theoretical probability • odds against an event • I = prt

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