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The California Highway Patrol claims that the proportion of all people who do not wear a...

The California Highway Patrol claims that the proportion of all people who do not wear a seatbelt is 0.11. 400 randomly selected drivers were observed at the East Bidwell off-ramp and 32 were observed at wearing a seatbelt. At the (.01) significance level, test the claim that the proportion of all people who do not were a seat belt is not equal to 0.11.

Math   Statistics-And-Probability   
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