Question

According to a report in the Wall Street Journal (online.wsj.com/mdc/public/page/2_3022 auto sales. html), the distribution of all auto sales by segment (type of vehicle) in the United States during November 2011 was as follows:
A recent survey of 730 new auto sales had the following distribution:
Test at a 2.5% significance level whether the distribution of recent auto sales is significantly different from the November 2011 distribution.


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  • CreatedAugust 25, 2015
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