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Unformatted text preview: 2. It is estimated that 48% of all motorists use their seat belts. If a police officer observes 400 cars go by in an hour, what is the probability that the proportion of drivers wearing seat belts is less than 45% (8)...
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This note was uploaded on 01/22/2010 for the course STATS 7 taught by Professor Kim,h during the Summer '08 term at UC Irvine.
 Summer '08
 Kim,H
 Statistics

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