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ACCORDING TO THE 2011 NATIONAL OCCUPANT PROTECTION USE SURVEY, ONLY 84% OF DRIVERS WEAR SEAT BELTS.

ACCORDING TO THE 2011 NATIONAL OCCUPANT PROTECTION USE SURVEY, ONLY 84% OF DRIVERS WEAR SEAT BELTS.

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Author: Christine Farr
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Homework 5Question 1According to the 2011 National Occupant Protection Use Survey, only 84% of drivers wearseat belts. Calculate the probabilities that out of 4 randomly selected drivers,a) Only one of the drivers is wearing a seatbeltb) Half of the drivers are wearing seatbeltsc) All of the drivers are wearing seatbeltsQuestion 2Find the proportion under a standardized normal curve in the following cases:a) Less than -2.50b) Greater than 1.60c) Between -1.96 and 1.96d) Less than -1.96 or greater than 1.9


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