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March 30, 2015

Homework Help: statistics

Posted by nikki on Monday, April 11, 2011 at 6:15pm.

The pew research center recently polled n=1048 u.s. drivers and found that 69% enjoyed driving their cars.
In 1991 a poll reported this percent to be 79%. Using the data from this poll ,test the claim that the percent of drivers who enjoy driving their cars has declined since 1991. Report the large sample z statistic and its P value.

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