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Probability Practice Quiz: George's Marble Bag

In this math journal entry, students review probability by solving a scenario involving marbles in George's bag. They must calculate the likelihood of picking a yellow marble. The entry also covers quiz expectations and guidelines for completion.

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Probability Practice Quiz: George's Marble Bag

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  1. Math CC7/8 – Be Prepared Unit: What Do You Expect? Journal: 1) Date: 1/14/20192) Title: WDYE Quiz 3) Sign off neighbor's HW from Friday: -Dates and titles for the week and each day-Corrections for BOTH the WS #11 & Practice Quiz? 4) Glue in new tracking sheet for Jan 14-18 4) Warm-Up: On Desk: Turn In: • HW Tracking Sheet 1/7-1/11 In Your Planner: HW: WS-Why Was Jesse James In The Hospital? 2. MSA Retake-Thurs, Jan 24 3. WDYE Unit TEST-Fri, Jan 25 George has a bag with 12 yellow marbles, 6 greenmarbles, 8 purple marbles, and 4 blue marbles. If he wants the probability of picking a yellow marble to be ½, what should George do?

  2. Warm Up:George has a bag with 12 yellow marbles, 6 greenmarbles, 8 purple marbles, and 4 blue marbles. If he wants the probability of picking a yellow marble to be ½, what should George do? 18 17 16 15 13 14 36 35 34 32 33 31 6 green 12 yellow 8 purple + + +1 +1 +1 +1 +1 +1 4 blue P(Y) = 12 18 marbles 18 marbles 30 +1 +1 +1 +1 +1 +1 Add 6 yellow marbles

  3. What are the EVENTS? List them. What are the POSSIBILITIES for each event? List them. How many OUTCOMES? (REVIEW HW – Same format unless indicates to draw Tree Diagram.)

  4. Quiz Expectations • When possible, show work – proper notation? • Calculators- not needed • Everyone should be working silentlyuntil all students have finished the quiz • When you finish, double check,Correctand Score yours, and turn it in to Mrs. Miner! • BeginHW: Jesse James • When finished-Read or work on something from another class-Quietly

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