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September 16, 2014

Homework Help: statistics (college

Posted by Hannah on Wednesday, May 23, 2012 at 9:32pm.

An insurance company checks police records (in a city) on 500 accidents selected at
random and notes that teenagers were at the wheel in 120 of them. It is desired to test
if this information indicate that more than 20% of auto accidents involve teenage drivers
in the city. State the decision about H0 and make the conclusion about Ha.

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