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3-1 S-IC.A.2 Decide a specified model is consistent with results Lines andif Angles from a given data-generating process. S-CP.A.1 Holt Geometry Describe events as subsets of a sample space (the set of outcomes) using characteristics (or categories) of the outcomes, or as unions, intersections, or complements of other events (“or”, “and”, “not”). Lines and Angles 3-1 Combined variation Inverse variation Joint variation Holt Geometry 3-1 Lines and Angles Paper for notes Pearson 11.2 Graphing Calc. Holt Geometry 3-1 Lines and Angles Notes 11.2 Calculator Holt Geometry 3-1 TOPIC: Lines and Name:Angles Daisy Basset 11.2 Probability Date : Subject: Period: Objective: Notes Describe events as subsets of a sample space (the set of outcomes) using characteristics (or categories) of the outcomes, or as unions, intersections, or complements of other events (“or”, “and”, “not”). Holt Geometry 3-1 Lines and Angles Vocabulary Experimental probability Equally likely outcomes Theoretical probability Key Concept Experimental probability Theoretical probability Holt Geometry 1. Of the 60 vehicles in a teachers’ parking lot today, 15 are pickup trucks. What is the experimental probability that a vehicle in the lot is a pickup truck? 3-1 Lines and Angles Holt Geometry Lines and Angles 3-1 P(event) = # of times event occurs # of trials P(pickup) = # of pickup trucks # of vehicles 15 0.25 25% 60 The probability that a vehicle in the lot is a pickup truck is 0.25. Holt Geometry Lines and Angles 3-1 2. A bucket contains 15 blue pens, 35 green pens, and 40 red pens. You pick one pen at random. Find each theoretical probability. P(event) = # of times event occurs # of likely outcomes Holt Geometry A. P(green pen) 3-1 Lines and Angles P(green) = # of green pens total # of pens 35 7 0.39 39% P(green) = 90 18 Holt Geometry B. P(blue pen or red pen) 3-1 Lines and Angles P(blue or red) = # of blue or red total # of pens 15 40 55 P(blue or red) = 90 90 11 0.61 61% 18 Holt Geometry C. P(not a blue pen) 3-1 Lines and Angles P(not blue) = # of not blue total # of pens 90 15 75 P(not blue) = 90 90 5 0.83 83% 6 Holt Geometry 3-1 D. Lines and Angles P(green pen or not a red pen) P(green or not red) = # of green or not red total # of pens 35 15 50 P(green or not red) = 90 90 5 0.56 56% 9 Holt Geometry 3-1 Lines and Angles Summary D L I Q Holt Geometry Summarize/reflect What did I do? What did I learn? What did I find most interesting? What questions do I still have? What do I need clarified?