CH.3 Examples

CH.3 Examples - ClassExamples(Ch.3) 1. A study was recently...

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                                                 Class Examples   (Ch. 3) 1. A study was recently done that emphasized the problem we all face with drinking and driving. Four hundred accidents that occurred on a Saturday night were analyzed. Two items noted were the number of vehicles involved and whether alcohol played a role in the accident. The numbers are shown below: Number of Vehicles Involved a) What proportion of the accidents involved a single car without the effect of alcohol? b) What proportion involved No alcohol or a single car? c) Assuming No alcohol involvement, what proportion of the accidents involved a single car? d) What proportion of the accidents involved more than a single vehicle? e) What proportion involved alcohol or a single car? 2. A researcher at a large university wanted to investigate if a student's seat preference was related in any way to the gender of the student. The researcher divided the lecture room into three sections (1-front, middle of the room, 2-front, sides of the classroom, and 3-back of the classroom, both middle and sides) and noted where his students sat on a particular day of the class. The researcher's summary table is provided below. a) What proportion of the class sat consists of females who sit in the front middle section of the
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This note was uploaded on 12/11/2011 for the course STA 2122 taught by Professor Staff during the Fall '08 term at FIU.

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CH.3 Examples - ClassExamples(Ch.3) 1. A study was recently...

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